Product Description BOOST your recovery in between sets and reduce fatigue with Optimum Nutrition BCAA. Formulated by the team at ON, branched chain amino acids allow the body to build proteins. The amino acid Leucine, is one of the main aminos in the protein building process, look at it as the key to unlocking mTor activation in the body, when mTor is activated through exercise, it prevents the loss of muscle mass, repairs tissue and is required for many other cellular processes. Key Benefits Promotes muscle protein synthesis Improve recovery Reduce catabolism Reduce fatigue Directions of Use Consume 1 scoop of BCAA Boost with 400-800ml of cold water and drink throughout your workout or add it to your water and sip on throughout the day.