Medically reviewed by Femi Aremu, PharmD L-citrulline is an amino acid naturally made in your body. While most amino acids build proteins, L-citrulline helps to form arginine (which helps build ...

L-citrulline, a non-vital amino acid that the body naturally generates, plays a significant role in the urea cycle by assisting in the removal of ammonia. You can also locate L-citrulline in a ...

L-arginine is produced in several ways. It can be synthesized from the amino acid citrulline through the breakdown of body proteins or obtained through dietary protein intake from foods like meat ...