Carbonated water, lemon juice concentrate, citric acid, natural flavor, potassium benzoate and potassium sorbate (preservatives), potassium citrate, sucralose, caffeine, green tea, gum acacia, modified food starch, sucrose acetate isobutyrate, ester gum, calcium disodium edta (to protect flavor), niacinamide (vitamin r3), d-calcium pantothenate (vitamin b5), yellow 5, vitamin a palmitate, biotin, 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.