Water, sorbitol (ingredients no in regular syrup), contains 2% of less of: cellulose gum, salt, natural and artificial flavor, caramel color, xanthan gum, sorbic acid and sodium benzoate (preservatives), acesulfame potassium (non nutritive sweetener) (ingredients not in regular syrup), sodium hexametaphosphate, phosphoric acid, sucralose (non nutritive sweetener) (ingredients not in regular syrup).
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.