An estimated 3 million bottles of NITRAFLEX have been sold worldwide in the past 5 years. What makes this pre-training formula so popular with everyone from physique champions like IFBB Pro Sadik Hadzovic to everyday gym goers? The answer: Every time you use NITRAFLEX, you can count on it to help you achieve insane workouts. Achieving more during your workouts -lifting heavier weight, performing more sets and reps, achieving bigger pumps-is the secret to building your ideal physique as quickly as possible. NITRAFLEX can help you do it.* NITRAFLEX contains a balanced blend of nutraceuticals that help you achieve greater energy, strength, stamina and pumps during workouts, support healthy testosterone levels afterward.* Clinically Tested GAT believes in NITRAFLEX so much that they put it to the test in an open-label pilot clinical study involving experienced subjects. The subjects had been lifting weights for 3-10 years. After taking NITRAFLEX for 2 weeks, subjects increased their maximum bench press strength by 5-10 lbs.* Quite impressive for experienced lifters. NITRAFLEX also promoted increases in muscular endurance, training volume (more sets x reps), and resting testosterone levels.*