HomeProductsArginine Olde Timers Herbals Arginine ArginineL - Arginine is a key component of the nitric oxide pathway. Nitric oxide causes vasodilation of vessels. Nitric oxide may inhibit the adherence of particles to the vessel walls as well. The rate of Arginine synthesis by the body may be less than some require for optimum performance. Arginine has also been shown to promote the release of natural HGH ( Human Growth Hormone ). Each capsule contains % daily value L - Arginine 650 mg * * Daily value not established. Other ingredients: gelatin capsule. Buy 6 and Save $6.00Online checkout from the old store is archived. Please contact the business to confirm availability or place an order.