28 BLACK Classic Zero 28 BLACK Pink Grapefruit-Mint 28 BLACK Sour Cherry 28 BLACK Sour Mango-KiwiAll varieties of 28 have the same caffeine amount. Ingredients in 28 Black Energy DrinkWater, Sugar, Isomaltulose*, Acai Extract (minimum 4%), Lemon Juice Concentrate, Carbon Dioxide, Coloring ...