Arginine — also called L-arginine — is an amino acid (organic compound that make proteins) that your body naturally makes. Amino acids are the building blocks of protein, which is why low levels of ...

Taking L-arginine as a supplement may increase blood flow and muscle growth. For some, it may also cause side effects, such as nausea or diarrhea. L-arginine is one of the amino acids the body needs ...

Arginine is a type of amino acid that’s important for regulating blood flow. Amino acids are the building blocks of protein. Proteins are digested into amino acids and then absorbed into the body.

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.

Arginine, or L-arginine, is an amino acid that occurs in foods such as dairy, fish, poultry, and other meats. It is a building block of protein. The human body produces arginine, and children require ...