Carbonated water, natural flavor, pink grapefruit juice concentrate, citric acid, potassium, sorbate and potassium benzoate (preservatives), gum acacia, sucralose, green tea, ester gum, calcium disodium edta (to protect flavor), magnesium sulfate, calcium chloride, niacinamide (vitamin b3), d-calcium pantothenate (vitamin b5), red 40, pyridoxine hydrochloride (vitamin b6), biotin, cholecalciferol (vitamin d3), cyanocobalamin (vitamin b12).
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.