Diet 101: The Zone Diet (a.k.a. 40-30-30 Diet) by Toby Amidor in Diets & Weight Loss, January 25, 2010
The Zone is what made that whole 40-30-30 calorie combination popular — that is, 40% of your calories come from carbs, 30% from fat and 30% from protein. This “magical” mix promises to lower risks for heart disease, cancer and diabetes. Here’s a closer look at the diet.