When it comes to the muscle building process, aka hypertrophy, amino acids play an imperative role in supporting the repair and recovery function of the muscle fibers. However, we all know for a fact that there are 9 essential amino acids that we need to ingest through the diet, as the body does not produce them. Histidine, isoleucine, leucine, lysine, methionine, phenylalanine, threonine, tryptophan, and valine are the key 9 essential amino acids that we need to pack on the muscle mass. But the question is: which is the most essential amino acid from the above lot, and what key functions does this amino acid perform?
Well, so far as muscle hypertrophy is concerned, Leucine, Isoleucine and Valine are the 3 key essential amino acids, commonly known as the branched chain amino acids, or BCAAâ€™s that play the significant role. As the name suggests, these amino acids are found in branch-chained-like structures and are an integral part of the amino acid pool in the body. However, when it comes to the most anabolic amino acid among the trio, Leucine takes charge as the master amino acid.
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