Hiball Energy Seltzer (SRP: $23.99/8-pack; $44.98/12-pack)
Hiball gives good energy: refreshing yet energizing, Hiball is an energy seltzer that is made with zero sugar, zero calories, organic caffeine and a hint of natural flavor. Available in Grapefruit, Watermelon Mint, Wild Berry, Blackberry, Lemon Lime, Peach and Vanilla flavors, Hiball is tasty and simple and just the thing you need, in place of your afternoon coffee, to get to it and get through it. Hiball Energy Seltzer has 160mg caffeine and is available to purchase on Amazon and nationally through select retailers in the U.S., including Whole Foods.