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2. Secondly, branched-chain amino acids also have a very good anti-decomposition effect, because it helps to prevent protein decomposition and muscle loss, which is very important for people in the pre-competition diet control stage. When the calorie intake is relatively low, it is strongly recommended to use branched-chain amino acids, because at this time, the synthesis speed of protein decreases and the decomposition of protein increases, just like when protein is digested and absorbed, protein is hydrolyzed and decomposed into simple soluble substances, such as peptides, amino acids, etc., otherwise it is in danger of losing muscles.
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Three common amino acids in protein, namely leucine, valine and isoleucine, are collectively referred to as branched-chain amino acids, so they can also be called compound branched-chain amino acids. The most important branched-chain amino acid is leucine, which is the precursor of ketoisohexanoic acid and HMB. KIC and HMB can increase muscle, reduce fat and provide nutrition for human body. The BCAA content of whey protein is high, and it should be supplemented with 4-5g after training.