This product is likely Artificial Food Coloring Free.
Carbonated water, citric acid, taurine, natural and artificial flavors, sodium bicarbonate (baking soda), magnesium carbonate, colors, caffeine, aspartame, acesulfame k, xanthan gum, niacinamide, pyridoxine hcl (vitamin b6), calcium pantothenate, vitamin b12.
Contains: not recommended for children, pregnant or nursing women and persons sensitive to caffeine. Phenylketonurics: contains phenylalanine.