About this item

• Improve Performance and Endurance: GNC AMP Men’s Extreme Training Vitapak Programfeatures a clinically proven nutrient blend plus support for athletic performance and increased endurance.
• Clinically Proven Multivitamin Blend: Our multivitamin blend is clinically proven to work better than a basic multi at boosting levels of key nutrients that support energy production and immune health
• Enhance Circulation and Blood Flow: Get ready to get pumped with L-Arginine and clinically studied resVida Resveratrol for nitric oxide production, circulation, and blood flow
• Stay Sharp in the Gym: Every pack includes ginkgo biloba to support mental sharpness
• Protect Your Muscles: Clinically researched antioxidants defend against free radicals caused by intense workouts