Barry Sears created the Zone Diet considering a fad diet. I think in reality the zone diet is not a fad diet. It is not just a diet program. It balanced lifestyle. It isn’t planned to only be consumed in a short time. The secret is in carbohydrates.
In my opinion, it’s considerd a low carbohydrate diet. Through zone diet, hormones can be balanced.  That’s why, it doesn’t restrict carbohydrates as much as other low carbohydrate diets.

Fats all of 40 to 30 to 30, proteins, calories from carbohydrates…A ratio of them build the basis of the zone diet. Some of nonscientific studies in TVs show us that the diet can produce reasonable weight-loss. To tell
the truth, these studies show people gain more mucle mass while they losing weight on the zone diet. Many of the people who use zone diet say that it is really easy to fit it into an everyday lifestyle.

The official site of Zone Diet is www.zonediet.com