Pure Power Lasts for Hours. Sugar Free. Just 5 Calories. Supports the Immune System. Vitamins C, D, E, and Zinc. No Preservatives. Proprietary Energy Blend: Taurine, Caffeine, L-Carnitine, D-Glucuronolactone.DirectionsShake well. Refrigerate after opening. Discard any remainder after 72 hours.IngredientsProprietary Energy Blend: Proprietary Energy Blend: Guarana Seed Extract, Caffeine, Taurine, American Ginseng Root Extract, Eleutherococcus Senticosus Root Extract, Green Tea Leaf Extract, Ginkgo Biloba Leaf Extract.Water, Natural Flavors, Citric Acid, Sucralose, Acesulfame Potassium and Yellow