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Product Information

ProSource Protein Powder provides the benefits of whey and casein combined: whey for muscle enhancement, casein for muscle repair.

Whey, a protein derived from milk, is considered a fast-acting protein because its impact on postprandial (after-eating) protein metabolism is fast, high (amino acids are available immediately), and transient. The amino acids derived from whey typically are associated with protein synthesis and oxidation rather than the inhibition of protein breakdown, which is why whey is used to build muscle tissue.

Casein, the main protein found in milk, has a slower absorption profile, so it releases amino acids into the blood more slowly than whey. Casein’s slower profile is an essential requirement for reconstructing broken-down muscles.

Where whey primarily stimulates protein synthesis for muscle enhancement, casein inhibits protein breakdown, allowing run-down muscles to rebuild and repair. Working together in ProSource Protein Powder, whey and casein assist in the relief of many conditions requiring high-quality protein.

ProSource Protein Powder is perfect for hard-to-please dialysis patients on a fluid restriction. It’s flavorless, low in potassium and phosphorus, and easy to mix into breakfast cereal or a beverage. I tried it in vanilla almond milk and loved it! Seventy-five patients and staff also gave it the thumbs-up in a recent protein sampling at our clinics. Not only is it a great product, but Eric Zavarella, our Medtrition rep, has gone out of his way to send us samples and make sure that it is available at local drugstores.
Alice Thurau, MS, RD, CSR, Renal Care of Clarion and Oil City, PA