Whether you are looking for a way to help keep your mind focused, or a way to maintain mental alertness, you may want to consider a boost with caffeine. caffeine works with your neural system and normal metabolic processes to provide its beneficial effects. each 8-hour sustained release beadlet capsule delivers 200 mg of caffeine to help you get through your busy day. no artificial flavor or sweetener, no preservatives, no milk, no lactose, no soy, no gluten, no wheat, no yeast, no fish. sodium free.