Ultra-Metabolism by Dr. Hyman gives plenty of scientifically grounded information about weight loss, effective strategies focused on stoking metabolism and a detailed six-week plan with menus and recipes that will help you lose 11 to 21 pounds in first six weeks. With Ultra-Metabolism you will know about dieting principles, such as the timing of meals, portion size, glycemic load, phytonutrient index, the weight loss benefits of relaxation and the optimized functioning of the thyroid. Keep fit and stay healthy with Ultra-Metabolism by Dr. Hyman!