Carbonated water, caramel color, phosphoric acid, aspartame, potassium sorbate and potassium benzoate (to protect taste), artificial and natural flavors, acesulfame potassium, caffeine, monosodium phosphate, lactic acid, polyethylene glycol.
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.