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