A Blend of Soy & Dairy Proteins Promotes Muscle Protein Synthesis When Consumed After Exercise According to a Study Highlighted by DuPont


St. Louis, Mo. (PRWEB) January 25, 2013

A new study published in The Journal of Nutrition demonstrates the benefits of consuming a protein blend for muscle protein synthesis after exercise. This study is a first-of-its-kind, conducted by researchers at the University of Texas Medical Branch, and utilizes the proteins from soy, whey and casein consumed after an acute bout of resistance exercise. These proteins have complementary amino acid profiles and different digestion rates (amino acid release profiles). The results demonstrate prolonged delivery of amino acids to muscles and extended muscle protein synthesis when subjects consumed the blend, compared to a single source of protein alone.

Sources of high-quality protein contain all the essential amino acids and have individual characteristics thought to offer a unique advantage for muscle growth, said Blake Rasmussen, Ph.D., interim chair, Department of Nutrition & Metabolism and principle investigator of the study. This is the first study to test the effects of combining soy with the dairy proteins, whey and casein, for promotion of lean body mass gain.

The composition of the blend used in the current study was based on results from a recently published pre-clinical study that demonstrated enhanced postprandial skeletal muscle protein synthesis in rats compared to another blend of soy or whey protein sources alone. This human clinical study for the first time shows that a soy-dairy protein blend (25 percent SUPRO

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