MET-Rx XTREME SIZE UP 6lb.
METAMYOSYN® Muscle Mass Formula
Specially designed for hard gainers who want to gain weight and pack-on quality mass.*
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 e
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Protein 
