Why Do High-Protein Diets Work?
Lose more weight when you eat lean, red meat
Who Lost More Weight? continued...
"Younger women may be especially interested in the high-protein diet,
since it has lots of calcium and iron, and provides lots of
micronutrients," Noakes adds. "We believe that a higher-protein pattern
is more nutrient rich and may in fact be a diet of choice for women who are
trying to lose weight."
Noakes' high-protein diet is certainly healthy, says Kathleen Zelman, RD,
spokeswoman for the American Dietetic Association (ADA). In fact, the
carbohydrates, protein, and fats in both diets that Noakes tested are within
approved ranges set by the ADA and the National Academy of Sciences, she tells
"We're not talking Atkins," says Zelman. "These are within
Other studies have documented the effectiveness of increasing protein, she
tells WebMD. Protein works partly because it makes us feel full. Also, studies
have shown that high protein and fewer carbohydrates work well together in
terms of weight loss.
Bottom line: Eat fewer refined carbohydrates -- table sugar, baked goods,
white bread, pasta -- and more fruits and vegetables, says Zelman. Eat lots of
lean protein -- sirloin steak, flank steak, chicken, eggs, tofu, and fish.