PubMed Studies
6
PubChem CID
About
Leucine activates mTOR signalling — stimulates muscle protein synthesis; isoleucine promotes glucose uptake in muscle; valine energy substrate; reduce exercise fatigue
How it works (mechanism of action)
Most popular sports supplement in France after creatine and protein. Reduces muscle breakdown during exercise. Eric Favre, Pileje Sport, Solgar sport. All gym chains sell BCAA.
📊 Effectiveness
Muscle recovery
Evidence Grade B · 18 studies · n=2,200
Evidence grades: A=Strong RCT evidence · B=Good clinical trials · C=Limited trials · D=Preliminary/traditional
👥 Safety by Population
🚫 Contraindications & Warnings
Consult a healthcare professional before use if pregnant, breastfeeding, taking prescription medications, or if you have a medical condition. Keep out of reach of children.
🇪🇺 EU Health Claims Status
Art.13(1)
✓ AuthorisedNon-compliance with the Regulation because on the basis of the scientific evidence assessed, this claimed effect for this food has not been substantiated.
Regulation EU 1924/2006 · ART13 1
🏷️ Other Names
bcaa