ZMA is a combination of Zinc Monomethionine Aspartate plus Magnesium Aspartate and vitamin B-6 and is used as a natural product to increase testosterone levels. Today we’re road testing Optimum Nutrition’s ZMA.

This is the first testosterone booster we’ve tested. We thought the best way to test it was to keep diet, training and other supplementation exactly the same and add Optimum Nutrition’s ZMA in for 10 weeks. We would then measure the strength gains at the end of this period and any other positive/negative effects.

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Nutrex Research’s Vitrix is one of the safest and most effective ways to increase your body’s natural testosterone production levels. Vitrix is being marketed as the the most powerful natural testerone boost in the world, easily capable of surpassing any other product currently found on the market.

Vitrix contains 1000 mg of potent liquid German Tribulus Terrestris per each serving. This comes down to 80% active saponins and 20% protodioscin, something that isn’t approachable by any other product. Also, Vitrix gives you 500 MG of NTS-5, an all-natural unique testosterone stimulator and estrogen blocker phyto-nutrient blend. The delivery system is from a liquid-capsule, giving you the highest absorption rates possible.

What does all of this mean? It means Vitrix gives your body the extra testosterone that you can use not only at the gym, but in your sex life as well. It will help promote muscle growth and strength quicker than you ever thought capable.

Buy Nutrex Vitrix today at MuscleandStrength.

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