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{"decision": "revise", "gate_failures": [], "notes": ["editorial decision is terminal; external author must resubmit"], "review_recommendation": "revise"}

source_5cdc34ba385343fc

# Alpha memo: nicotinamide riboside exercise performance context boundary
**One-sentence alpha:** Nicotinamide riboside supplementation suggests context-dependent exercise effects that may split by age/baseline status rather than acting as a uniform ergogenic.
**Receipt 1:** The NAD+ precursor nicotinamide riboside decreases exercise performance in rats (2016) — chronic 21-day NR at 300 mg/kg/day …