GNC AMP Tri-Phase Multi-Action Pre-Workout is new and only at GNC!

The pre-workout for your full workout — this multi-action pre-workout formula was created to help enhance mental focus, physical performance, and endurance.

  • Contains caffeine for immediate energy boost and sustained release for prolonged mental stimulation
  • Fuels muscle energetics with PeakATP®, CarnoSyn® Beta-Alanine, and CON-CRET® Creatine HCl
  • Supports long-lasting physical endurance with FitNox® and Nitrosigine®
  • Tested for over 285 banned substances, safe for competitive athletes

Get yours today at



This is sponsored content. M&F is not endorsing the websites or products listed in this article.