Concentrated Intelligent Release
- Fruit Punch Flavored Formula
- Natural & Artificial Flavors
- Immediate & 6 Hour Release Glutamine + 7.2g Aminos for Post-Workout Recovery*
- Clinically Studied Ingredients to Support Sore Joints & Improve Joint Function by 19%��*
- 500 mg Carnitine Transforms Fatty Acids into Energy*
- Banned Substance Free�
- Nitro-Factor™ | 9g
- OT2 - Optimal Timing Technology™
- For Daily Recovery
Introducing GNC Pro Performance® AMP Concentrated Intelligent Release Series, featuring revolutionary new formulas with performance-enhancing, clinically studied ingredients developed to change the way nutrients work to amplify your performance.*
Exclusive OT2™ Delivers Anti-Catabolic Glutamine Over 6 Hours*
- This Product is Engineered for Dual Delivery of Fast & Slow Releasing Anti-Catabolic Glutamine
- Designed to Deliver Immediate Release of Anti-Catabolic Glutamine within 2 Hours, Plus Extended Release OT2 Glutamine Over 6 Hours*
OT2 - The Exclusive GNC Advantage
GNC's breakthrough Optimal Timing Technology (OT2) is an exclusive innovation that enhances ingredients to control their release. Just one concentrated scoop of this product gives an immediate burst plus a 6 hour release to fuel muscles. No other products are engineered with this technology.
Nitro-Factor - Maximize Muscle Building†
The full muscle building potential of a GNC product is based on its total nitrogen content — so the more nitrogen a product has, the stronger it will perform. Pro Performance AMP Amplified Recover™ with a Nitro-Factor of 9 grams helps fuel performance and anabolism*.
Trusted by Sport
Products bearing this logo have been tested for banned substances by HFL Sport Science, a world-class anti-doping lab.
Notice: Significant product settling may occur.
Sustamine™ is a trademark of Kyowa Hakko Bio Co., Ltd.
�Product was tested for over 145 banned substances on the 2012 World Anti-Doping Agency (WADA) Prohibited List via HFL skip lot testing protocol #ICP0307.
��In a 12 week multi-center, randomized, double-blind, placebo-controlled study of 60 adults, subject taking 250 mg/day of Acacia catechu Wood and Bark Extract and Chinese Skullcap Root Extract showed a significant 29.8% improvement in joint flexibility and a 19.4% improvement in joint function in 30 days compared to subjects on placebo.
†When used in conjunction with an exercise program.
*These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.