Whey Protein Triggers Thermogenesis

Whey Protein Triggers Thermogenesis
Protein is an important dietary component for weight loss because it suppresses appetite and increases thermogenesis (increased caloric expenditure at rest). A study from the Nestlé Research Center in Lausanne, Switzerland found that specific types of proteins affect metabolism differently. On three different occasions, test subjects were fed meals consisting of 50 percent whey, casein or soy protein, 40 percent carbohydrate, and 10 percent fat. They also consumed a control meal consisting of 96 percent carbohydrate. Whey protein increased thermogenesis and fat burning more than casein or soy protein. However, casein and soy protein suppressed hunger better than whey protein— but the test subjects thought that the whey protein tasted better. All three types of protein are valuable components in weight-loss diets, but they affect caloric intake and expenditure differently. (American Journal of Clinical Nutrition, 93: 525-534)

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