BCAA stands for Branched-Chain Amino Acids, which are a group of three essential amino acids: leucine, isoleucine, and valine. They are called "branched-chain" because their chemical structure includes a "branch" off the main chain of the amino acid molecule. BCAAs play important roles in protein synthesis, energy production, and muscle recovery after exercise. While BCAA is not a person or company, it is a term commonly used in the health and fitness industry to refer to this group of amino acids and supplements that contain them.
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