Sugar Free MDX is a Mountain Dew "energy soda" from PepsiCo. Caffeine concentration isn't that much higher than standard Mountain Dew.
Sugar Free MDX is sweetened with Sucralose and Ace-K. Calories are just zero.
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Ingredients in MDX, Sugar Free
Carbonated water, high fructose corn syrup, citric acid, natural flavors, sodium benzoate, gaurana seed extract, d-ribose, caffeine, maltodextrin, gum arabic, yellow #5, ascorbic acid, calcium disodium EDTA, taurine, panax ginseng extract, brominated vegetable oil, blue #1
Sugar content: Contains no sugar.Compare sugar levels of other drinks
MDX, Sugar Free contains 6.25 mgs of caffeine per fluid ounce (21.13mg/100 ml).