Water, citric acid, propylene glycol, potassium citrate, sucralose, acesulfame potassium, natural flavor, niacinamide (vit. B3), red 40, potassium sorbate (preservative), pyridoxine hydrochloride (vit. B6), blue 1, cyanocobalamin (vit. B12).
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.