Lean Mass & Strength
- Naturally & Artificially Flavored
MET-Rx® Xtreme Size Up
MET-RX Extreme Size Up has one of the highest protein contents per serving on the market. Providing 60g of protein & 600 calories per 4 scoop serving, Xtreme Size Up should be your only choice for serious mass gaining.*
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 weight & pack on mass.*
MET-Rx Xtreme Size Up Features four optimizer blends to help you keep growing when other weight gainers quit!* Our specially selected nutrients are designed to meet your body's needs for both immediate & sustained energy & protein synthesis.*
The Secret is the Source of Protein!
Metamyosyn® Muscle Mass Optimizer Blend Combines the trusted Metamyosyn protein blend, with extra Whey Protein & Creatine, to provide sustained, highly bioavailable fuel for your body's protein needs.*
A combination of fast & 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 ensure every amino acid required by your muscles is supplied.*
Complex Carb Optimizer Blend combines high fiber & top-quality complex carbs to intensify the time release effects of the Metamyosyn Muscle Mass Optimizer Blend & keep you pumped with nutrients for a longer period.* This specialized blend contains 67g 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 & burn that comes from consuming sugar-laden formulas. Keep your mind energized with complex carbs so you can keep training & growing!*
Lean Lipid Optimizer Blend contains just the right amount of dietary fats per serving. We know that your goal in your workout is to pack inches onto your biceps rather than your waist, so you 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 & slower digesting flaxseed & sunflower fats, which allows for energy availability over an extended time period.*
MultiVitamin Optimizer Blend is packed with specially selected vitamins & minerals essential to carbohydrate & protein metabolism.* Optimal intake of key vitamins & minerals is especially important when following a high-calorie diet & exercise program for mass gains, in order to assure proper usage & muscle metabolism of ingested calories.* You can rest assured that our comprehensive blend of the right vitamins & minerals will compliment your nutrition plan to support your body building goals & optimal health.*
In order to make serious gain, you need to train hard, get lots of rest & take in plenty of key nutrients. MET-Rx Xtreme Size Up makes it easy to get the high quality protein, complex carbs & essential nutrients that are important for a serious, intensive training program.*
Typical Amino Acid Profile (Milligrams per 167 g Serving*****)
Essential Amino Acids
Nonessential Amino Acids
****L-Tryptophan is naturally occurring, not added.
One of the Highest Protein Contents Per Serving on the Market
- 60g Protein^
- 3g Creatine^
- 600 Calories^
- 3g Glutamine^
- 67g High-Quality Complex Carbs!^
MET-Rx | Shaping Every Body
^Per 4 Scoop Serving
*These statements have not been evaluated by the Food & Drug Administration. This product is not intended to diagnose, treat, cure or prevent any disease.