Water, citric acid, propylene glycol, potassium citrate, contains less than 2% of: sucralose and acesulfame potassium (sweeteners), natural flavor, maltodextrin, ester gum, niacinamide, red 40, vitamin b6, blue 1, vitamin b12, potassium sorbate (preservative).
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.