Enjoy the exhilarating citrus blast of Diet Mountain Dew — now caffeine-free! This bold, zero-calorie soda delivers the same electrifying flavor you love, without the sugar or the buzz. Whether you’re looking to cut back on caffeine or just want to keep things light, Diet Mountain Dew Caffeine-Free is the ultimate way to “Do the DEW” on your terms. Crisp, refreshing, and always bold, it’s made for those who want full flavor with zero compromise. The original — the one that started it all. Mountain Dew exhilarates and quenches with its one-of-a-kind, bold taste. Enjoy its chuggable, intense refreshment. Crack open a cold can of Mountain Dew and refresh your taste buds. Mountain Dew, the original instigator, delivers great taste with every sip.