Nutricost L-citrulline Malate is a dietary supplement that contains citrulline, an end product derived from the metabolism of the amino acid glutamine. Citrulline is not involved in protein production but can be converted into L-Arginine by the body, enhancing kidney function and providing benefits for overall health. The product comes in powder form with a total weight of 1200 grams, offering ease of use and dosage adjustment according to your needs.