Zero sugar Dew. 0 calories per bottle. Zero sugar. Caffeine Content: 113 mg/20 fl oz. MountainDew.com. We're here to help. MountainDew.com or 800-433-2652. Cash in (Subject to rules (at) Pepcoin.com. Snack purchase required. Must accrue minimum balance for payment. For promo questions call 800-332-1741) at pepcoin.com cash our with Venmo & Paypal. Paypal and venmo are not sponsors of this promotion. Please recycle.