MET-Rx Xtreme Size Up features four Hardcore Optimizer Blends to help you keep growing when other weight gainers quit: METAMYOSYN Muscle Mass Optimizer Blend, Complex Carb Optimizer Blend, Lean Lipid Optimizer Blend, MultiVitamin Optimizer Blend. Each serving contains 59g protein, 64-67g High-Quality Complex Carbs, 3g Creatine, 3g Glutamine and 600 calories, No Fructose or Aspartame.Mixes quickly and goes down easy. Originally developed by a physician, METAMYOSYN protein is based on metabolic research to help support lean muscle mass studied in three published clinical trials. METAMYOSYN combines Milk Protein with fast-digesting whey protein and slow-acting casein, plus L-Glutamine and naturally occurring Branched Chain Amino Acids - Isoleucine, Leucine and Valine. The precise combination of proteins in METAMYOSYN offers a sustained release of amino acids for up to 7 hours and provides your body with a highly bioavailable fuel that helps build lean muscle mass and strength.
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