DescriptionL-Arginine is an amino acid that supports the production of nitric oxide, a short lived compound involved in circulatory function and protein metabolism. L-Arginine serves as the precursor for continued nitric oxide production and supports muscle mass and athletic performance. Because of the role that L-Arginine plays in vasodilation, in addition to improved sexual health, it also promotes healthy blood vessels and supports vascular health.*California Gold Nutrition L-Arginine is sourced exclusively from Ajinomoto and features AjiPure® L-Arginine that is produced via their patented Ferment-A-Pure Technology. These are Pharmaceutical Grade, contain no animal products (hair or feathers) and are suitable for vegetarians and vegans.Other IngredientsMain Ingredients L-ArginineFormulated with AjiPure®️ L-Arginine. AjiPure® is a registered trademark of AJINOMOTO® CO., INC.Other Ingredients Modified Cellulose (Veggie Capsule), Microcrystalline Cellulose, Magnesium Stearate (Non-GMO Vegetable Source), and Silica.Suggested UseTake 1 capsule daily, on an empty stomach. Best when taken as directed by a qualified healthcare professional.