Carbonated water, contains 2% or less of: grapefruit juice concentrate, natural flavors, fruit and vegetable juice (for color), citric acid, green tea extract, beta carotene (for color), potassium benzoate (to ensure freshness), gum arabic, sucralose; ester gum, retinol (vitamin a), niacinamide (vitamin b3), calcium pantothenate (vitamin b5), cholecalciferol (vitamin d3), biotin, cyanocobalamin (vitamin b12), pyridoxine hydrochloride (vitamin b6).
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.