L-Arginine and L-Ornithine are complementary amino acids that are essential to healthy metabolic function. This balanced ratio of L-Arginine to L-Ornithine represents the latest in scientific formulations. Suggested Use Adults take two or more capsules daily, preferably at bedtime or in between meals. Ingredients Vitamin B-6 (as 20 mg pyridoxine HCl) 16 mg, Calcium (as calcium carbonate) 67 mg, L-Arginine (free form) 1250 mg, L-Ornithine (from 750 mg ornithine HCl) 586 mg. 90 CT