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                      Whey Protein Helps Preserve Muscle During Weight Loss

                      Published by Life Extension

                      An article published online on December 17, 2014 in the Journal of Nutrition reports the outcome of a double-blinded trial of overweight and obese men and women which found a protective role for whey protein supplementation against some of the loss of muscle that occurs with dieting.

                      Researchers at Canada’s McMaster University randomized 19 men and 21 women to receive a fourteen day low calorie diet supplemented with 27 grams whey protein or 26 grams soy protein (resulting in the intake of an average of 1.3 grams protein per kilogram per day), or the addition of carbohydrate providing a number of calories equal to that of the protein supplements. Myofibrillar protein synthesis (a measure of muscle maintenance) and lipolysis (which measures fat loss) were assessed while fasting and following a meal, before and after the two week diets.

                      Prior to the start of the diet, myofibrillar protein synthesis was found to be stimulated more following whey consumption in comparison with soy or carbohydrate ingestion. While all groups experienced a similar decline in myofibrillar protein synthesis while fasting, the decrease was less among those who received whey protein following a meal. Among those who received carbohydrates, the decrease in postprandial myofibrillar synthesis averaged 31%, in comparison with 9% and 28% in the whey and soy supplemented groups.

                      “Our data demonstrated that whey protein supplementation during energy restriction provided greater stimulation of myofibrillar protein synthesis and maintenance of postprandial myofibrillar protein synthesis rates,” authors Amy J. Hector and her associates conclude. “These results demonstrate the impact of protein quality on myofibrillar protein synthesis during energy restriction, and may be of importance in the development of nutritional strategies to promote higher-quality weight loss, which involves the loss of a high ratio of fat to lean body mass.”

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                      Life Extension
                      Life Extension
                      LIFE EXTENSION The Life Extension Health News team delivers accurate information about vitamins, nutrition and aging. Our stories rely on multiple, authoritative sources and experts. We keep our content accurate and trustworthy, by submitting it to a medical reviewer. Life Extensionists are people who believe in taking advantage of documented scientific therapies to help maintain optimal health and slow aging. The medical literature contains thousands of references on the use of antioxidant vitamins, weight loss supplements, and hormones that have been shown to improve the quality and quantity of life. Life Extensionists attempt to take advantage of this scientific information to enhance their changes of living longer in good health. This article is posted by permission of Life Extension.

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                      This website is for informational and entertainment purposes only and is not a substitute for medical advice, diagnosis or treatment. FoodTrients – A Recipe for Aging Beautifully Grace O, author and creator of FoodTrients® -- a philosophy, a cookbook and a resource -- has a new cookbook dedicated to age-defying and delicious recipes, The Age Beautifully Cookbook: Easy and Exotic Longevity Secrets from Around the World, which provides one hundred-plus recipes that promote health and well-being. The recipes are built on foundations of modern scientific research and ancient knowledge of medicinal herbs and natural ingredients from around the world. Since the publication of her first anti-aging book, The Age GRACEfully Cookbook, Grace O has identified eight categories of FoodTrients benefits (Anti-inflammatory, Antioxidant, Immune Booster, Disease Prevention, Beauty, Strength, Mind, and Weight Loss) that are essential to fighting aging, which show how specific foods, herbs, and spices in the recipes help keep skin looking younger, prevent the diseases of aging, and increase energy and vitality. Grace O combines more exotic ingredients that add age-fighting benefits to familiar recipe favorites.

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