Water, less than 1% of: citric acid, salt and mono-potassium phosphate and magnesium chloride and calcium chloride (electrolyte sources), natural flavors, sucralose, acesulfame potassium, vitamin b3 (niacinamide), vitamin b6 (pyridoxine hydrochloride), vitamin b12 (cyanocobalamin), yellow 5, yellow 6, ascorbic acid (to protect taste), 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.