Now Foods L-Citrulline,1200 mg,120 Tabs (Pack of 4)

Citrulline is a non-essential amino acid that is an important intermediate in the urea cycle, functioning along with other amino acids to rid the body of ammonia, a by-product of protein metabolism.* Citrulline also plays an important role in the healing process and in the maintenance of a healthy immune system.*Natural color variation may occur in this product.