building muscle

BCAAs (branched-chain amino acids) or branched-chain amino acids include 3 essential amino acids: leucine, isoleucine and valine. They are very present in muscle tissue and therefore enter into the constitution of muscle. A BCAA intake is therefore essential when practicing a sport, whatever the latter (body, fitness, endurance sports, explosive …). Not synthesized by the body, they must be provided by food and / or supplementation.