Ornithine is synthesized from arginine and is a precursor of citrulline, proline and glutamic acid. L-Ornithine (from 644mg L-Ornithine HCl) 500 mg.
NOW SPORTS Arginine & Ornithine 500mg / 250mg (Arginine & Ornithine) 100 Vegetarian
NOW SPORTS Arginine & Ornithine 500mg / 250mg (Arginine & Ornithine) 250 Vegetarian
NOW Foods Arginine & Ornithine 500mg / 250mg 100 Vegetarian Capsules, Amino Acid
NOW Tri-Amino: Arginine, Ornithine, Lysine Capsules - 120 caps
