Amino acids are the building blocks of proteins. Solgar's amino acids are purely pharmaceutical, crystalline and free-form. L is the natural form of amino acids, that is, the form in which they occur in nature.

Branched Chain Amino Acids BCAAs (L-leucine, L-isoleucine, and L-valine) form a large part of muscle tissue and can be used to repair, grow and repair them after exercise. In addition, Solgar's BCAA dietary supplement contains Vitamin B6 which, in combination with BCAAs, is useful in neuromuscular diseases.