Source Naturals L-Ornithine 667 mg 100 Capsule

L-Ornithine, a free-form crystalline amino acid, is a precursor of arginine, which is necessary for the synthesis of creatine, an important energy provider for muscles. In addition, L-Ornithine is a key compound in the urea cycle, one of the body's main processes for eliminating ammonia.

Source Naturals, Inc.