There are 20 amino acids but of the nine essentials, which our bodies need to function and perform, these supplements will contain a combination, or all nine, depending on which type you take.

In general, though, full amino acid supplements are a convenient way to increase your amino acid intake if you don’t have food-sourced protein available. How To Take An L-Carnitine Supplement.

Branched-chain amino acid supplements (BCAAs) are trending among health nuts, who claim they increase muscle growth from exercise, decrease post-workout soreness and boost energy. But experts are ...

Branch-chain amino acid (BCAA) supplements are used to enhance athletic performance, reduce muscle soreness, and prevent fatigue. The best BCAA supplements are high quality, free of artificial ...