All Day You MayAll Day You May BCAA by 5% Nutrition redefines recovery and growth with a leucine heavy 10: 1: 1 ratio designed to keep your muscles in an anabolic state from your first set to your last meal. Each serving delivers six grams of branched chain amino acidssix times more leucine than isoleucine or valinebacked by a spectrum of essential and conditionally essential amino acids to accelerate repair, reduce muscle breakdown, and support lean tissue growth.