Not everyone can metabolize and digest meat and dairy products. I followed this diet and actually gained weight! I knew something was wrong because I excercise 5 days a week and only had a few pounds to lose. What I discovered is I cannot eat dairy products and meat too frequently or it will get stored as fat. Now I am eating high fiber carbohydrate foods and mostly vegetarian fare and the pounds are melting off! Some people LOSE weight eating mostly carbohydrates (high in fiber) and I am one of them.