MET-Rx - Xtreme Size Up Chocolate - 6 lb. (2.271 Kg)

MET-Rx Xtreme Size Up Metamyosyn Muscle Mass Formula. If you are one of those people who have a tough time packing on solid, powerful mass, try MET-Rx Xtreme Size Up, specially designed for hard gainers who want to gain wieght and pack on mass. MET-Rx Xtreme Size Up features Four Hardcore Optimizer Blends to help you keep growing when other weight gainers quit. MET-Rx's specially selected nutrients are designed to meet your body's needs for both immediate and sustained energy and protein synthesis.

The Secret is the Source of Protein

Metamyosyn Muscle Mass Optimizer Blend combines the truested and clinically developed Metamyosyn protein blend, with extra Whey Protein, Creatine, Glutamine and naturally-occurring, high-quality BCAAs (Branched Chain Amino Acids) to provide sustained, highly bioavailable fuel for your body's protein needs

A combination of fast and slow proteins results in a more prolonged absorption rate allowing extended muscle-amino delivery. By extending the delivery of all essential amino acids to your muscles, MET-Rx Xtreme Size Up helps  to stop you from going into a catabolic state which can otherwise lead to muscle loss.

MET-Rx Metamyosyn Muscle Mass Optimizer Blend utilizes complete proteins from the finest sources to ensureevery amio acid required by your muscles is supplied.

Complex Carb Optimizer Blend contains high fiber and top-quality complex carbs to intensify the time release effects of the Metamyosyn Muscle Mass Optimizer Blend and keep you pumped with anabolic nutrients for a longer period. This specialized blend contains 67 g of complex carbs, providing about 80% of the total carbohydrates in MET-Rx Xtreme Size Up (79g total carbs).

MET-Rx Xtreme Size Up is formulated with no fructose, so you won't experience the dreaded crash and burn that comes from consuming sugar-laden formulas. Keep your mind energized with complex carbs so you can keep training and growing!

Lean Lipid Optimizer Blend contains just the right amount of dietary fats per serving. MET-Rx knows that your goal in your workout if to pack inches onto you biceps rather than your waist, so they didn't compromise quality with loads of unhealthy fats that could slow down your progress.

MET-Rx Xtreme Size Up contains both quick digesting MCTs and slower digesting flaxseed and sunflower fats, which allows for increased evergy availability over an extended time period. Best of all, there are no unhealthy trans-fats in their formula.

MultiVitamin Optimizer Blend packed with a rich source of specially selected vitamins and minerals essential to carbohydrate and protein metabolism. Optimal intake of key vitamins and minerals is especially important when foloowing a high-calorie diet and exercise program for mass gains, in order to assure proper usage and muscle metabolism of ingested calories. You can rest assured that MET-Rx's comprehensive blend of the right vitamins and minerals will complement your nutrition plan to support your bodybuilding goals and optimal health.

In order to make serious gains, you need to train hard, get lots of rest, and take in plenty of key nutrients. MET-Rx Xtreme Size Up makes it easy to get the high quality protein, complex carbs and essential nutrients that are important for a serious, intensive training program.

The Secret is in the Protein Source!
The renowned MET-Rx protein formulation consists of METAMYOSYN, which combines premium whey protein isolates and casein proteins, plus L-Glutamine and naturally occurring Branched Chain Amino Acids - Isoleucine, Leucine and Valine. Studies show that whey is a fast-acting protein while casein is slow-acting, which results in a more prolonged absorption rate to extend the delivery of amino acids to muscles. MET-Rx Protein Plus gives you a firm nutritional basis to help build lean muscle in a low-fat, great tasting formula.

About MET-Rx
Founded in 1991, MET-Rx Engineered Nutrition revolutionized the sport nutrition industry with a high protein, meal replacement shake fortified with an exclusive protein blend called METAMYOSYN. Developed by a physician based on metabolic research, METAMYOSYN protein is a highly bio-available fuel that supports muscle and strength.

METAMYOSYN changed sports nutrition forever when it was introduced to the world’s top athletes and celebrities.

Today, a new generation is testing the limits of their bodies' potential and nutrition is playing a crucial role in the evolution of sport. Athletes are breaking down the barriers of possibility by going faster, higher, and pushing their bodies further than ever imagined.

MET-Rx continues to be on the cutting-edge of sports nutrition with a diverse range of products engineered for the next generation of athletes. All those who use state-of-the-art nutrition to achieve their goals — and who never, ever accept limits of mind, body or spirit — are the ones called… Team MET-Rx.