But taking L-arginine supplements may interact with certain medications. L-arginine is an amino acid, which is a building block of protein. It’s necessary for the production of nitric oxide ...

Talk to your doctor before starting any of the supplements below. 1. Arginine Arginine (or l-arginine) is an amino acid found in animal products, beans, and whole grains. Multiple studies have ...

In neonatal mammals, arginine is synthesized in the enterocyte, with either proline or glutamate as the dietary precursor. We have shown several times in piglets that proline is the only precursor ...