Animal studies and research using cell cultures have shown that D-aspartic acid supplements may enhance testosterone levels. One study showed that supplementing the amino acid increased blood ...

Amino acids are small molecules that are the building blocks of proteins. Proteins serve as structural support inside the cell and they perform many vital chemical reactions. Each protein is a ...

L-arginine is an amino acid that may help promote blood flow, athletic performance, and wound healing, among other benefits. But taking L-arginine supplements may interact with certain medications.