Zipfizz is a powdered energy drink mix that contains caffeine, vitamins, minerals, and electrolytes. Each tube of Zipfizz contains 100 mg of caffeine from green tea and guarana extract, boatloads of vitamins such as vitamin C, E, B6, B12, folate, niacin, riboflavin, thiamin, and pantothenic acid, minerals and electrolytes such as potassium, magnesium, calcium, sodium, zinc, selenium, manganese, and chromium, and antioxidants such as green tea extract, grape seed extract, vitamin C, and vitamin E. Zipfizz is also gluten-free, low-carb, and contains zero sugar.