Citric acid, instant black tea, maltodextrin, corn syrup solids (adds a trivial amount of sugar), aspartame (phenylketonurics: contains phenylalanine), contains less than 2% of acesulfame k, yellow 6, tricalcium phosphate, red 40, natural flavors, blue 1, yellow 5.
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.