Citric acid, maltodextrin (adds a trivial amount of sugar), natural and artificial flavors, sucralose, ascorbic acid (vitamin c), sodium citrate, contains 2% or less of the following: salt, acesulfame potassium, cellulose gum, magnesium oxide, pectin, calcium silicate, red 40, yellow 6, 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.