Relentless Energy Drink
The cans for Relentless Energy Drinks say "Conceived in the U.K., Born in the U.S.," and the can of orange "Fire" flavor we tried included this quote from Benjamin Franklin: "Energy and persistence alter all things."
The "Fire" flavor is very potent and super sweet -- imagine drinking melted orange popsicles or carbonated orange Kool-Aid. We didn't find the flavor too overpowering, but we've always had a sweet tooth. Our drink was cold, too, which makes a difference. Relentless probably doesn't taste very good warm.
Get the Food & Drink Newsletter
Our weekly guide to Phoenix dining includes food news and reviews, as well as dining events and interviews with chefs and restaurant owners.