Amino acids are the building blocks of proteins and are fundamental to many functions and are main components e.g. muscles, hormones and neurotransmitters The various body functions affected by amino acids and the resulting protein and enzyme levels range from mood to sleep and concentration. Because of their role in muscle repair and building, bodybuilders find amino acid supplements especially interesting along with those who don’t get enough food—a particular problem for vegetarians. There are twenty different amino acids, which are used in combination and alone to keep the body at its peak. Although there are eight essential amino acids, all twenty have their uses and can be used as a supplement. Amino acid blends combine amino acids in proven blends that can be effectively used by the body for various purposes. Amino acid blend supplements can be used to supplement a low protein diet with a wide range of amino acids or to find a targeted amino acid blend.