NOW Foods L-Citrulline Pure Powder, 4 Ounces Features : Now Foods L-Citrulline is a non-essential amino acid that is an important intermediate in the urea cycle, functioning along with Arginine and Ornithine to rid the body of ammonia, a byproduct of protein metabolism. Because Now Foods Citrulline is a precursor of Arginine, it provides a readily available source material for Arginine production, which in turn, can be used for the production of Nitric Oxide (NO). NO plays a fundamental role in vascular function and blood flow. Now Foods Citrulline therefore, not only supports detoxification pathways, but also supports NO production and a healthy cardiovascular system. Supports Vascular Blood Flow Now Foods Glutathione also acts as an antioxidant that acts to prevent oxidative stress in most cells and help to trap free radicals that can damage DNA and RNA, Milk Thistle Extract and Alpha Lipoic Acid are included to enhance Now Foods Glutathione's liver supporting properties. Now Foods L-Citrulline is a non-essential amino acid that is an important intermediate in the urea cycle, functioning along with Arginine and Ornithine to rid the body of ammonia, a byproduct of protein metabolism. Because Now Foods Citrulline is a precursor of Arginine, it provides a readily available source material for Arginine production, which in turn, can be used for the production of Nitric Oxide (NO). NO plays a fundamental role in vascular function and blood flow. Now Foods Citrulline therefore, not only supports detoxification pathways, but also supports NO production and a healthy cardiovascular system. Ingredients: L-Citrulline. Contains no: Sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives. Vegetarian/Vegan Product. Direction: As a dietary supplement, take one or two 1/4 level teaspoons 1 to 2 times daily between meals. Consider taking this product in combination with NOW L-Arginine, P-5-P and AAKG. Supplement Facts: NOW Foods - L-Citrulline Pure Powder - 4 oz. Supplement FactsServing Size: 1/4 Level Teaspoons (1.5 g)Servings Per Container: 75Amount Per Serving %DVL-Citrulline1500 mg**Daily Value Not Established Contains no: Sugar, salt, starch, yeast, wheat, gluten, corn, soy, milk, egg, shellfish or preservatives. Vegetarian/Vegan Product. Legal Statement: *These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease. Our shipping: Most orders paid by 11 am (EST) ship the same day. Holidays add one day.