Karbolyn is a clinically studied (with peer-reviewed, published research) sugar-free carbohydrate supplement powder sourced from potato, rice, and corn. It’s designed for elite athletes looking for a fast, safe, and high-performance way to quickly and easily load muscles with lasting energy and for faster recovery. "Carb load" with Karbolyn Energy RTD in minutes, not hours before your event or training session! Karbolyn Energy RTD also has an added stimulant (250 mg of caffeine) to give an extra "kick" for those who desire one. Absolutely nothing fuels your monster workouts like Karbolyn Energy RTD! It enters the bloodstream like a simple sugar, yet it still provides sustained energy without "crashing". Karbolyn Energy RTD is absorbed faster than dextrose, simple sugar, bread, pasta, rice, and other carbohydrate products sold in the marketplace - simple or complex. Pros worldwide use it for a reason! Use Karbolyn Energy RTD Pre training to maximize and maintain high-intensity training levels, power output, for greater muscle hardness and fullness...and pumps like you’ve never experienced before!