To drop the caffeine entirely, make a sparkling soda swap. Replace the energy drink base with plain club soda, sparkling water, or seltzer while keeping the original syrup measurements over ice.

A standard medium (24 oz) drink contains roughly 114 mg to 180 mg of caffeine, depending on the canned energy base you choose.

Yes, you can easily adapt this drink to fit a low-calorie or keto diet. Swap standard fruit syrups for sugar-free blue raspberry and blackberry options, and pair them with a zero-sugar energy drink.

The core flavor profile of the 7 Brew Brewberry recipe combines sweet blue raspberry syrup and rich blackberry (or strawberry) syrup.