Citric acid, maltodextrin, corn syrup solids, instant tea, aspartame, contains less than 2% of natural flavor, magnesium oxide, acesulfame potassium, red 40, yellow 5, blue 1, bha (preserves freshness). Adds a trivial amount of sugar phenylketonurics: contains phenylalanine
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.