Citric acid, maltodextrin (adds a trivial amount of sugar), natural flavors, potassium citrate, aspartame (phenylketonurics: contains phenylalanine) , contains 2% or less of the following: ascorbic acid (vitamin c), salt, magnesium oxide, acesulfame potassium, tricalcium phosphate, artificial color, yellow 5 lake.
Phenylketonurics: contains phenylalanine