Container Size: 56 CapsulesServing Size: 1 CapsuleServings Per Container: 56 Amount Per Serving:Niacin (as nicotinic acid): 30mgFeel Good Powerful Stim Matrix (Proprietary Blend): (540 mg)Caffeine (as caffeine anhydrous), Ceylon leadwort (root), Babachi (seed), Kola nut (seed), Yerba mate (leaf), Cassia nomame (aerial), Cacao (seed), Kiwi (fruit), White kidney bean (seed). Other Ingredients:Gelatin, microcrystalline cellulose, magnesium stearate, FD&C Blue No. 1, and FD&C Red No 40.