Home - Caffeine - Soft Drinks Mountain Dew Zero Sugar Mountain Dew Zero Sugar Caffeine 68 mg per 354.882 ml Switch to fl oz Calories: 0 kcal You Might Also Like:Ruby Red SquirtShasta Diet ColaSlurpeeShasta Mountain RushSki SodaRitz ColaSarsaparillaShasta ColaSquirt SodaSprite