Frank M Sacks, George A Bray, Vincent J Carey, Steven R Smith, Donna H Ryan, Stephen D Anton, Katherine McManus, Catherine M Champagne, Louise M Bishop, Nancy Laranjo, Meryl S Leboff, Jennifer C Rood, Lilian de Jonge, Frank L Greenway, Catherine M Loria, Eva Obarzanek, Donald A Williamson
BACKGROUND: The possible advantage for weight loss of a diet that emphasizes protein, fat, or carbohydrates has not been established, and there are few studies that extend beyond 1 year. METHODS: We randomly assigned 811 overweight adults to one of four diets; the targeted percentages of energy derived from fat, protein, and carbohydrates in the four diets were 20, 15, and 65%; 20, 25, and 55%; 40, 15, and 45%; and 40, 25, and 35%. The diets consisted of similar foods and met guidelines for cardiovascular health...
February 26, 2009: New England Journal of Medicine