Carbonated water, high fructose corn syrup, caramel color, natural flavor, phosphoric acid, potassium sorbate (preserves freshness), potassium citrate, citric acid, caffeine, potassium benzoate (preserves freshness), calcium disodium edta (to protect flavor).
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.