Reverse osmosis water, less than 0.5% of: citric acid, vitamin c (ascorbic acid), vegetable juice (color), stevia leaf extract, gum acacia, magnesium lactate and calcium lactate and potassium phosphate (electrolyte sources), natural flavors, vitamin b5 (calcium pantothenate), glycerol ester of rosin, vitamin b6 (pyridoxine hydrochloride), beta-carotene, vitamin b12 (cyanocobalamin).
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging and/or contact the manufacturer if you have a severe food allergy.