An amino acid that’s required by the human body in order to make proteins, which is also converted by the body into nitric oxide. In turn, nitric oxide widens blood vessels and improves the...
L-citrulline is an amino acid that occurs naturally in the human body, and in some foods, such as watermelons. L-citrulline is converted into l-arginine [pending link], which is claimed to widen...
An amino acid that’s often included in bodybuilding/testosterone supplements, along with additional ingredients such as arginine and citrulline, to increase nitric oxide levels in the body. And...
