L- Ornithine HCl Powder Vegetarian 8 oz, NOW FoodsL Ornithine is an amino acid that has been used by fitness enthusiasts for years. We rigorously screen all of our products for potency and purity, so you can be assured you are getting a quality dietary supplement. Supplement Facts Servings Per Container: 227 Serving Size: 1 2 Teaspoon (1 g) Amount Per Serving % Daily Value L Ornithine (from L Ornithine hydrochloride) 800 mg Suggested Use: As a dietary supplement, take 1 2 teaspoon of L Ornithine