Carbonated water, contains less than 2% of: citric acid, natural flavors, sucralose, green tea leaf extract, niacinamide, calcium-d-pantothenate, cyanocobalamin (vitamin b12), pyridoxine hydrochloride, biotin, gum arabic, ester gum, fd&c yellow no. 5, fd&c blue no. 1, potassium benzoate (preservative).
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.