Carbonated water, citric acid, potassium benzoate (preserves freshness), sucralose, green tea extract, natural flavor, niacinamide, d-calcium pantothenate, pyridoxine hcl, cholecalciferol, d-biotin, cyanocobalamin.
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.