20 packets
The Secret is the source of protein!
The Metamyosyn® protein blend was developed by a physician, based on metabolic research to help support muscle mass. Metamyosyn® protein blends are high-quality, milk protein based blends. Metamyosyn® combines casein with whey protein to provide a sustained, highly bioavailable fuel for you body's protein needs. Research studies show that the combination of fast-acting whey protein and slow-acting casein results in a more prolonged absorption rate. Met-Rx METAMYOSYN®, trust the Original!

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