Carbonated water, lemon juice from concentrate, natural flavor, citric acid, potassium benzoate and potassium sorbate (preservatives), gum acacia, sucralose, green tea, ester gum, calcium chloride, magnesium sulfate, calcium disodium edta (to protect flavor), niacinamide (vitamin b3), d-calcium pantothenate (vitamin b5), yellow 5, pyridoxine hydrochloride (vitamin b6), biotin, blue 1, 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.