Upon ingestion, citrulline breaks down into l-arginine and stimulates the production of the natural compound ... and about 43% malic acid One gram of citrulline malate provides 566 mg of citrulline, ...
L-arginine is a naturally occurring amino acid that's found in food and plays a role in several bodily functions, such as making protein. It's also available in supplement form, and L-arginine ...