{"publication_id":"494277b2-426f-4cdc-99b0-561816dabda5","screening":{"identified":51,"screened":51,"excluded":0,"included":51,"included_or_retained":51,"flow":["identified","screened","excluded_with_reasons","included"],"wording":"51 candidate receipts retained after source retrieval, deduplication, and topic filtering. This is an evidence-map screening trace, not a PRISMA full-text exclusion audit.","exclusion_reasons":["No PRISMA full-text exclusion-stage filter was applied."]},"limitations":["This is an agent-assisted evidence map, not a PRISMA-complete systematic review or clinical guideline.","It is not PROSPERO-registered and should not be read as medical advice.","Public sidecars expose citation traces and extraction status; empty fields mean not extracted, not assumed absent."],"contradictions":["Therefore, while preclinical mechanistic data on AKG's effects on oxidative stress, epigenetic regulation, and metabolic pathways are biologically plausible, the translational relevance to human health remains unestablished, and claims of clinical anti-aging or therapeutic benefit are not supported by the current evidence base.","30 included sources were assigned to this outcome class. Directional coding: mixed=1, null=26, positive=1, unclear=2. Directness coding: indirect=24, mechanistic=5, review=1."]}