One-Stop Diet Store

12 times more calorie burning after your workout* Burn 278 more calories with X12 and exercise* Clinically Researched The clinically proven, proprietary thermogenic blend in GNC X12 has been shown to help you burn 12 times more calories.* It also helps increase your metabolism before, during and after exercise; helping burn up to 278 more calories cumulatively.* In addition, just one capsule of X12 contains ingredients to support improved endurance and performance.* For best results, use the healthy diet and exercise program included with X12.