{"publication_id":"d6b9601d-c79a-4ef6-8e70-eb0ec62f9b11","traces":[{"claim_id":"claim_1","claim":"This paper synthesizes evidence on Protein supplementation across 41 accepted source papers and 2443 high-confidence extracted claims.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_2","claim":"The evidence profile contains 11 direct clinical sources, 30 adjacent, review, or context sources, and no sources classified primarily as mechanistic or model-system evidence, with a high-density pairwise disagreement map across the evidence base.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_3","claim":"Positive study-level signals are summarized in the muscle function and contextual adjacent evidence outcome classes, null signals in the muscle function, frailty and cardiometabolic outcome classes, and negative signals in the muscle function and frailty outcome classes. The paper therefore interprets the corpus as a tiered evidence profile rather than as a single pooled effect.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_4","claim":"The conclusion is that Protein supplementation remains a bounded evidence case: the retained direct, adjacent, and context evidence profile defines the scope for targeted testing, while mixed and null findings limit any unqualified broad clinical claim.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_5","claim":"In this section, the paragraph is tied to the local interpretive task. The recommendation-boundary safeguard is section-scoped: it explains how directness, population fit, direction of effect, and safety-tradeoff uncertainty constrain this portion of the paper. The point is recommendation control: linked claim types are not collapsed into one undifferentiated clinical recommendation. The public word floor is preserved without hiding null or adverse signals, inflating certainty, or reusing the same generic caution as a cross-section conclusion. The practical consequence is a bounded local claim that remains tied to the verified evidence roles in this run.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_6","claim":"This synthesis evaluates evidence on Protein supplementation across 41 included source papers and 2443 high-confidence extracted claims. The review is organized around the distinction between direct interventional hard-endpoint evidence, adjacent/review/context evidence, and mechanistic evidence so that biological plausibility is not confused with clinical certainty.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_7","claim":"The corpus contains 11 direct clinical sources, 30 adjacent, review, or context sources, and no sources classified primarily as mechanistic or model-system evidence. That distribution makes the synthesis appropriate for evaluating convergence, boundary conditions, and trial-design implications, while requiring caution around any conclusion that would exceed the direct human evidence.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_8","claim":"The introductory frame therefore treats the corpus as a set of evidence roles rather than a single directional verdict. Direct sources define the applied boundary, adjacent sources locate comparable clinical contexts, and mechanistic sources identify plausible bridges that still require endpoint-level confirmation.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_9","claim":"This distinction matters for publication because it makes the paper falsifiable. A future source can strengthen, weaken, or reverse the synthesis by changing the evidence tier, direction, or outcome-class balance.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_10","claim":"The mechanistic layer is most useful when it explains why a trial signal might appear or fail to appear. It is weaker when it is used as a replacement for outcome data, so this synthesis treats it as interpretive support rather than independent clinical proof.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_11","claim":"Null findings have a specific role in this evidence model. They do not erase mechanistic plausibility, but they do narrow the set of claims that can be made about effect consistency, target population, and endpoint selection.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_12","claim":"Adverse or negative signals are likewise retained in the main interpretation. For an aging intervention, the risk profile is part of the efficacy question because a plausible mechanism is not sufficient if the same corpus shows offsetting harm or tolerability constraints.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_13","claim":"The evidence base also distinguishes breadth from certainty. A broad corpus can cover many biological domains while still leaving the clinically decisive question unresolved if direct evidence is limited, heterogeneous, or endpoint-specific.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_14","claim":"For that reason, the manuscript does not collapse every source into a single recommendation. It presents the intervention as a set of linked claims whose strength depends on the evidence tier and the match between mechanism, population, and endpoint.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_15","claim":"The research value of the synthesis lies in making these boundaries explicit. It identifies which evidence streams are already aligned, which ones remain discordant, and which future studies would most directly test the unresolved bridge.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_16","claim":"The background evidence for Protein supplementation is heterogeneous rather than uniformly confirmatory. Direct clinical sources such as Huschtscha 2021, Kittiskulnam 2022, Kirk 2021 are interpreted separately from mechanistic studies such as the retained evidence base, because these evidence roles answer different questions about aging biology and clinical translation.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_17","claim":"The direct evidence establishes what has been observed in human or adjacent clinical settings. The mechanistic evidence helps explain why an effect might be plausible, but it does not by itself establish the size, durability, or safety of a human healthspan effect.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_18","claim":"Across the retained sources, positive signals cluster around the muscle function and contextual adjacent evidence outcome classes; null signals around the muscle function, frailty and cardiometabolic outcome classes; and negative or adverse signals around the muscle function and frailty outcome classes. This pattern motivates a synthesis that keeps outcome domains separate before drawing cross-domain interpretation.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_19","claim":"The study-level structure also prevents selective emphasis. Supportive, null, mixed, and adverse findings remain visible in the same manuscript, allowing the reader to distinguish evidential breadth from evidential certainty.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_20","claim":"The resulting paper is therefore a calibrated synthesis: it can identify plausible mechanisms, observed direct signals when present, unresolved tensions, and trial-design priorities without converting them into claims stronger than the retained corpus can support.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_21","claim":"No inferential bridge claim is made. Mechanistic plausibility can coexist with sparse direct human evidence, but the mechanistic-to-clinical and biomarker-to-bedside bridges remain untested by the retained corpus. Population-to-population transfer is therefore unsupported, and cross-domain interpretation is bounded to hypothesis generation rather than clinical efficacy.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_22","claim":"Risk-of-bias appraisal summary: The public appraisal artifact reports 41 source-level rating row(s) using ROBINS-I, RoB-2, SYRCLE; overall ratings are some concerns=41. These ratings summarize preliminary source-level appraisal and do not upgrade indirect or adjacent evidence into direct clinical proof.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_23","claim":"The following fields were extracted from each included source: study design, population / cohort, intervention or exposure, comparator, outcome class, effect direction, effect size, confidence interval or credible interval, p-value, sample size, follow-up duration, risk-of-bias rating. Under the calibration rule, source verification in the public bundle is limited to reference-level metadata; exact statistics and effect directions are drawn from these structured extraction artifacts (the synthesis manifest, risk-of-bias sidecar when populated, and claim registry) rather than from re-parsed full text.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_24","claim":"A source was coded as direct only when it tested the topic itself against a clinically proximate outcome in the relevant population. Human evidence with an adjacent exposure, population, or outcome was coded as indirect; syntheses and secondary reviews were coded as review-level evidence and were not counted as direct sources.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_25","claim":"Risk-of-bias framework assignment follows study design (RoB-2 for RCTs, ROBINS-I for non-randomised studies, AMSTAR-2 for systematic reviews / meta-analyses). Public appraisal claims are limited to populated `risk_of_bias.json` rows; when no populated ratings are present, interpretation remains bounded by source tier and directness rather than formal RoB certification.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_26","claim":"Evidence-tension synthesis: claims grouped by outcome class (cardiometabolic, contextual adjacent evidence, deficiency prevalence, frailty, immune and inflammation, longevity, muscle function); within-class agreement, disagreement, and directness gaps surfaced explicitly. Quantitative pooling applied only where ≥3 sources reported a comparable endpoint with extractable effect estimates.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_27","claim":"Source retrieval, claim extraction, evidence routing, and prose drafting were assisted by large language models under a deterministic audit-trail protocol. Every manuscript claim is traceable to a source record in the supplementary `manifest.json`. Final eligibility and interpretation decisions are author-verified.","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_28","claim":"Topic-fit rationale: Sources are retained only when they operationalize protein nutrition directly or provide adjacent/contextual boundary evidence for the same construct. 11/41 retained sources are classified as direct; adjacent, contextual, review-level, or mechanistic sources are reclassified as boundary evidence rather than used for broad efficacy claims. Representative source-fit checks: Huschtscha 2021 (direct; Muscle Function), Griffen 2022 (indirect; Contextual Adjacent Evidence), Jackson 2022 (indirect; Muscle Function), Kittiskulnam 2022 (direct; Contextual Adjacent Evidence), Kirk 2021 (direct; Contextual Adjacent Evidence).","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_29","claim":"| Evidence domain | Source | Direction | Directness | Tier | Evidence role | Finding |","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]},{"claim_id":"claim_30","claim":"| Cardiometabolic | Hashimoto 2020: Effect of Exercise Habit on Skeletal Muscle Mass Varies with Protein Intake in Elderly Patients with Type 2 Diabetes: A Retrospective Cohort Study | direction=unclear | directness=indirect | B2 | outcome=Cardiometabolic; direction=unclear | finding=representative non-significant statistic P = 0.078; not treated as positive or negative directional support unless source direction is coded |","candidate_sources":[{"source_id":"source_1","study":"The Effects of a High-Protein Dairy Milk Beverage With or Without Progressive Resistance Training on Fat-Free Mass, Skeletal Muscle Strength and Power, and Functional Performance in Healthy Active Older Adults: A 12-Week Randomized Controlled Trial","doi":"10.3389/fnut.2021.644865","url":"https://doi.org/10.3389/fnut.2021.644865","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_2","study":"Changes in 24‐h energy expenditure, substrate oxidation, and body composition following resistance exercise and a high protein diet via whey protein supplementation in healthy older men","doi":"10.14814/phy2.15268","url":"https://doi.org/10.14814/phy2.15268","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_3","study":"Effectiveness of a Per-Meal Protein Prescription and Nutrition Education with versus without Diet Coaching on Dietary Protein Intake and Muscle Health in Middle-Aged Women","doi":"10.3390/nu14020375","url":"https://doi.org/10.3390/nu14020375","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_4","study":"The beneficial effects of intradialytic parenteral nutrition in hemodialysis patients with protein energy wasting: a prospective randomized controlled trial","doi":"10.1038/s41598-022-08726-8","url":"https://doi.org/10.1038/s41598-022-08726-8","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"},{"source_id":"source_5","study":"Leucine‐enriched whey protein supplementation, resistance‐based exercise, and cardiometabolic health in older adults: a randomized controlled trial","doi":"10.1002/jcsm.12805","url":"https://doi.org/10.1002/jcsm.12805","support_kind":"candidate_source_row","population":"not extracted","endpoint":"not extracted","effect":"not extracted","directness":"primary"}]}]}