You may think you've been training hard and your regular pre-workout formula is getting the job done. The fact is that most regular pure arginine formulas may not be delivering the workout experience you need to pack on muscle. This is not another "same old" version of a generic nitric oxide formula. Team MuscleTech researchers bring you the second coming . . . a new Muscletech naNO Vapor Hardcore Pro Series formula that has literally changed bodybuilding forever. Its scientifically advanced power is unprecedented. It's a nitric oxide pre-workout formula designed with scientifically studied key ingredients shown in scientific research to build eight times more muscle, instantly increase strength and change your training experience on your very first dose!

Prepare for Extreme Muscle Pumps & Key Ingredients Shown to Build 8x More Muscle!

It's one thing to feel something happening when you take your pre-workout supplement, but it's another story altogether when you're supplying your muscles with the exact amounts of key ingredients shown to build muscle in published research. Case in point - just two of the multiple key ingredients in the new Muscletech naNO Vapor Hardcore Pro Series formula are shown to help test subjects gain eight times more muscle than control subjects in just eight weeks (3.72 vs. 0.41 lbs.)!

The overwhelming potency of this powerful new formula will deliver an experience unlike ever before. When you're on Muscletech naNO Vapor Hardcore Pro Series, your mental alertness and focus are dramatically enhanced and you feel stronger than ever. In fact, in a third-party, double-blind, placebo-controlled study, 18 subjects taking a key ingredient in Muscle Tech naNO Vapor Hardcore Pro Series instantly increased strength on the chest press by 18.3% compared to when using a placebo (5,254 vs. 4,442 lbs. of total weight lifted).

The NEW Muscletech naNO Vapor Hardcore Pro Series Formula includes cutting-edge supplement research conducted at the University of Sao Paulo and strength and performance research conducted by researchers from Arizona State University.

Stack with that a white-hot intensity and the new musclebuilding power of this formula's key components, and you have a knockout combination for an explosive workout that drives long-term, solid muscle gains.

A key musclebuilding compound in Muscletech naNO Vapor Hardcore Pro Series is shown in third-party research to help test subjects gain significantly more muscle. As published in the prestigious journal of Medicine and Science in Sports and Exercise, 22 untrained test subjects were divided into three groups. At the end of just 12 weeks, the subjects consuming a key musclebuilding compound gained 7.12 pounds of muscle while subjects using a placebo gained only 1.30 pounds!

Another independent scientific study conducted at the University of Sao Paulo with 20 subjects, separated into two groups of 10, showed those subjects using key ingredients in the Muscletech naNO Vapor Hardcore Pro Series formula gained 8 times more muscle than control subjects in just 8 weeks (3.72 vs. 0.41 lbs.)! Researchers in this third-party study theorized that one of the key ingredients in this complex increased the stimulus of intense training" enhancing muscle gains.

In other university studies, one more component of the new Muscle Tech naNO Vapor Hardcore Pro Series formula was shown to stimulate the release of catecholamines, trigger extreme mental focus and crank up strength by 18.3%. In a third-party, double-blind, placebo-controlled study, 18 subjects taking a key ingredient in Muscle Tech naNO Vapor Hardcore Pro Series increased strength on the chest press by 18.3% compared to when using a placebo (5,254 vs. 4,442 lbs. of total weight lifted).

After developing and perfecting the nitric oxide pump-inducing Muscletech naNO Vapor Hardcore Pro Series formula, Team MuscleTech researchers employed a state-of-the-art delivery system putting particle science to work for you: Micro-Diffuse Technology. The advanced technological system delivers smaller micron-sized particles of a key musclebuilding ingredient with enhanced dissolution and dispersion properties.