Don’t skip the BCAAs! It’s something that should a part of everyone’s workout program, especially if you’re trying to build muscle like me. Amino acids are the building blocks of protein and a large part of our body. Muscle, tissue and cells are made up of aminos. Branched chain amino acids (BCAAs) are essential amino acids that are made up of: L-Leucine L-Valine L-Isoleucine Our body does not make these essential aminos, that is why its important to get the from other source