Mouthwatering flavor and all the soda feels. Contains Apple Cider Vinegar and prebiotics from agave inulin and cassava root fiber. 5g of sugar and 35 calories or less per can. Perfect for everyday, on-the-go refreshment or as a drink mixer. Great alternative to diet soda soft drinks, kombucha, juice, seltzer & flavored water, energy drink, coconut water, tonic water, sports drinks, etc. Verified SHARK TANK brand. Doc Pop contains 32mg of caffeine