Purified water, cane sugar, less than 1% of: citric acid, natural and artificial flavors, sodium citrate, grapefruit juice concentrate, salt, potassium chloride, malic acid, calcium lactate, glucono- delta-lactone, magnesium carbonate, ascorbic acid (to help 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.