Amino acid supplements contain one or more of the essential amino acids, which are the building blocks of protein.

These supplements are often used by athletes and bodybuilders to help increase muscle mass and improve performance. They can also be used by individuals who are looking to improve their overall health and wellness.

Some of the most common types of amino acid supplements include branched-chain amino acids (BCAAs), arginine, and glutamine. These supplements are available in various forms such as capsules, tablets, powders, and liquids.