The
Zone Diet is one of the five most popular diets that include the Mediterranean
Diet, the Atkins Diet, the South Beach Diet, and the Mayo Clinic Diet. Developed
by Barry Sears, a former researcher at MIT, the diet is based on maintaining insulin
levels by striking a balance between carbs and proteins at each meal.
Sears believes the major cause of obesity is an imbalance of insulin in the body.
He maintains that the standard American diet is high in carbohydrates and low
in fats -- a combination which he contends contributes to the production of too
much insulin, and results in obesity.
The Zone Diet is based on
the concept of achieving a physiological state in which insulin and eicosanoids
-- two hormones -- are maintained in "zones" that are carefully balanced.
By controlling the balance of insulin and eicosanoids, you increase the loss of
fat, decrease inflammation and increase blood flow, decrease the likelihood of
heart disease and diabetes, and increase your physical and mental stamina.
The Zone Diet
The diet program of The Zone is
designed to balance your intake of foods at 1 part protein to 4 parts carbohydrate.
It advises a moderate intake of carbs, proteins, and fat in order to control insulin.
It prescribes a maximum amount of low-fat protein at one meal at 3-4 ounces, which
is close to exactly the recommendation of the USDA and the FDA. The majority of
carbohydrates on the Zone diet come from vegetables and fruits, with limited amounts
of bread, rice, potatoes, and grains. Most fat intake should be from monounsaturated
fats like olive oil, safflower oil, and other supposed heart healthy oils.
While this sounds a lot like the Atkins diet (restricting carbs), the
differences are quite clear. Atkins recommends a diet high in protein with no
regard to fat, with the intent of provoking ketosis, a potentially unhealthy condition.
High carbohydrate diets recommend increasing carbohydrate levels and inducing
the production of insulin which, maintains Sears, leads to weight gain. Instead,
the Zone Diet recommends achieving an optimal balance of nutrients with moderate
amounts of proteins, carbohydrates, and fat all playing a part.
Another component of the Zone diet worthy of note is the supplementation of diet
with fish oil. Fish oil, particularly
Carlson Cod Liver Oil,
provides omega 3 fatty acids which are an important component in healthy cells.
Study after study in the past five years has confirmed the importance of omega
3 fatty acids in your diet.
A sample meal on The Zone's eating
plan might look like:
3
oz portion of broiled salmon Spinach salad with apples and walnuts splashed
with walnut oil and lemon juice 1/2 cup of brown rice 1 glass fruit or
vegetable juice
The eating plan recommended by The Zone diet combines
small portions of low fat proteins, fats and fiber-rich vegetables, and fruits.
It also suggests eating some protein with each meal or snack, and 3 meals and
2 snacks daily.
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