Amino acid supplements have soared in popularity in recent years. Social-media influencers peddle them with promises that ...

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.

Dr. Joseph Antoun shares when eating more protein is good for you – and when it makes you more likely to meat your maker.

Speed wound healing. Two non-essential amino acids, arginine and glutamine, may help cells multiply and repair wounds. A study showed that taking arginine and glutamine supplements increased ...