Hyperemia & Testosterone Enhancing Pre-Training Formula 

NITRAFLEX will have you conquering the weights with screaming muscle energy and testosterone-fueled intensity.*

NITRAFLEX is a clinically tested, high-intensity pre-training formula containing high intensity ingredients that help magnify your energy, alertness, strength, stamina, pumps, and testosterone during workouts.

Ideal for hard-training athletes, especially those who feel that they may have hit a training plateau or your existing pre-workout just isn’t delivering those earth shaking workouts any more.

Helps reduce feelings of fatigue and support energy, stamina and healthy nitric oxide (NO) and testosterone levels.*