Branched-chain amino acids (BCAAs) refer to three proteinogenic amino acids: leucine, isoleucine and valine. These are essential nutrients gathered from foods especially meat, dairy products, and legumes. BCAA’s are essential because your body needs them. Unfortunately, they are not produced by your body, unlike glutamine. They are called “branched-chain” because of their chemical and molecular structure. They help in protein metabolism, hence the name. BCAAs either increase protein synthesis or decrease protein degradation or both, studies show. This means that, the more protein is synthesised, the more it is helpful for the muscles. So they absolutely do benefit your big muscles.

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