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