Carbonated water, citric acid, lemon juice concentrate, natural flavors, potassium benzoate and potassium sorbate (preservatives), sucralose, green tea, gum acacia, ester gum, calcium disodium edta (to protect flavor), vitamin a palmitate, niacinamide (niacin), cholecalciferol (vitamin d3), d-calcium pantothenate (pantothenic acid), beta carotene (color), pyridoxine hydrochloride (vitamin b6), biotin, cyanocobalamin (vitamin b12).
Manufacturer likely did not include an allergen statement; however, please double-check the product packaging.