Does L-Arginine Help With Athletic Performance?
Does not meaningfully improve muscle endurance or nitric oxide during exercise in healthy young men.
Weak EvidenceEvidence Summary
Does not meaningfully improve muscle endurance or nitric oxide during exercise in healthy young men.
Effective Dose
3.2–9.6 g/day for 4 days
Supporting Studies
Every PMID below is a real paper indexed in PubMed. Click any to read the abstract or full text. These are the specific studies HypeCheck cited to support this claim — verify the chain yourself.