The Zone Diet is one of the simplest diets to follow, because you
match your carbohydrate intake with your protein intake, keeping both
of them in balance. The preferred ratio is 1:1, one block of protein
matched with one block of carbohydrate. A protein block is 7 grams,
while a carbohydrate block is 9 grams. A good example of a protein block
is an ounce of raw chicken breast or about 1.5 ounces of sliced deli
meat. A carbohydrate block is usually 1 cup of greens, vegetables, or
fruit. The key is to always combine these two blocks at every meal. The
other key is to have 40 percent complex carbohydrates, 30 percent
protein, and 30 percent fat in the diet. This is the "magic" formula
that combines to make weight loss possible.