Twinlab Mega Chromium Picolinate is a biologically active source of chromium. The highest quality and purity obtainable. Patented by the United States Department of Agriculture (USDA) and licensed under U.S. Patent #4,315,927.Ingredients:Each highly concentrated Twinlab Mega Chromium Picolinate capsule contains 4.38 mg of pure crystalline chromium picolinate, supplying 500 mcg of trivalent chromium.Product Facts:Serving Size (cap) 1Servings Per Bottle 100