Carbonated water, natural flavor, pink grapefruit juice concentrate, citric acid, potassium benzoate and potassium sorbate (preservatives), gum acacia, sucralose, green tea, ester gum, calcium disodium edta (to protect flavor), magnesium sulfate, calcium chloride, niacinamide (vitamin b3), d-calcium pantothenate (vitamin b5), red 40, pyridoxine hydrochloride (vitamin b6), biotin, cholecalciferol (vitamin d3), cyanocobalamin (vitamin b12).