NOW - L-Arginine - 100 Capsule(s) - NPN : 80002671Supports protein and creatine synthesis, nitric oxide productionHelps the detoxification of ammonia in the bodyConditionally Essential Amino AcidFree FormL-Arginine is a conditionally essential basic amino acid involved primarily in urea metabolism and excretion, as well as in DNA synthesis and protein production. It is an important precursor of Nitric Oxide (NO) and thus plays a role in the dilation of blood vessels.DIRECTIONS & USEAdult Dosage: Take 2 capsules 1-3 times daily as required, between meals or at bedtime with a carbohydrate drink to facilitate absorption. Do not use beyond 8 weeks.CAUTIONS & NOTESConsult a physician prior to use if you are pregnant or breastfeeding, if you suffer from cardiovascular disease and are attempting an increase in physical activity or if your cardiovascular condition worsens, or if you are taking medication for cardiovascular diseases, erectile dysfunction, and/or blood thinners. Do not use this product if you have had a heart attack/myocardial infarction. Some people may experience gastrointestinal discomfort.INGREDIENTS Each capsule contains:L-Arginine 500 mgNon-Medicinal Ingredients: Veg Capsule (hypromellose, water), Stearic Acid (vegetable source), Silica.