Amazon has a 12-Pack of Mountain Dew Kickstart Drink,  16 fl. oz. Cans (Orange Citrus or Pineapple Orange) for $11.76 - 10% off coupon (click green button) - 5% off with Subscribe & Save (cancel anytime) = $9.99 with free shipping.

The Black Cherry flavor is $10.20 after 10% off coupon and Subscribe & Save.

Mix of "dew", fruit juice and caffeine; each can has 80 calories.