Nutricosts Nitric Oxide Booster has 500mg of L-Arginine, 500mg of L-Arginine HCl, 500mg of Arginine AKG 2:1, 375mg of L-Citrulline, and 375mg of L-Citrulline Malate 2:1 in every serving. Each bottle contains 180 capsules and 60 servings. If taken according to recommended use, one bottle is a 2 month supply. They are made in a NSF Certified facility. These Nitric Oxide Booster capsules are non-GMO, gluten free, and tested by independent ISO accredited laboratories. – 180 Capsules Of Nutricost Nitric Oxide Booster – 2250mg Per Serving And 60 Servings Per Bottle – 2 Month Supply (If Taken As Recommended) – Non-GMO, Soy Free, And Gluten Free – 3rd Party Tested, And Made In An NSF Certified, GMP Compliant, FDA Registered Facility