Carbonated water, lemon juice concentrate, natural flavor, citric acid, potassium benzoate and potassium sorbate (preservatives), sucralose, green tea, gum acacia, sucrose acetate isobutyrate, calcium chloride, magnesium sulfate, calcium disodium edta (to protect flavor), niacinamide (niacin), red 40, d-calcium pantothenate (pantothenic acid), 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.