Carbonated water, citric acid, concentrated grapefruit juice, potassium citrate, aspartame, potassium sorbate (to protect taste), acacia gum, acesulfame potassium, natural flavors, glycerol ester of rosin, potassium benzoate and calcium disodium edta (to protect taste), carob bean gum.
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.