Water, less than 1% of: citric acid, salt and magnesium chloride and calcium chloride and mono-potassium phosphate (electrolyte sources), ascorbic acid (to protect taste), natural flavors, sucralose, acesulfame potassium, vitamin b3 (niacinamide), vitamin b6 (pyridoxine hydrochloride), vitamin b12 (cyanocobalamin), red 40, calcium disodium edta (to protect color).
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.