Because the 3 Day Diet is so low in carbohydrates, it's likely the initial weight loss is primarily water weight, as carbohydrate encourages your body to retain water. As soon as the dieter goes back to consuming a normal amount of carbohydrate, the water weight comes back.

Food for Thought

Experts worry that when dieters can't follow restrictive plans like the 3 Day Diet, they blame themselves and think they've failed.

But "fad diets are not sustainable for any period of time, and it is the reason so many people throw in the towel, feeling frustrated that diets don't work, when in reality it is the diet, not the dieter," Moore says.

Weight loss is possible on the 3 Day Diet, but only because it is very low in calories. Going back to so-called normal eating does little to promote a healthier lifestyle, instead the pattern promotes undesirable yo-yo dieting or an on-again off-again approach to weight management that is not successful long term.

Bottom line: keep looking for a well-balanced weight loss plan that controls calories every day, includes exercise, and allows a wide variety of healthy foods. To lose weight, it is simply not enough to eat a prescribed diet for three days without addressing eating habits that cause weight gain.

Kathleen Zelman, MPH, RD, LD, is director of nutrition for WebMD. Her opinions and conclusions are her own.

SOURCE:

Cindy Moore, MS, RD, former director, department of nutrition therapy, The Cleveland Clinic.

Reviewed on March 21, 2011

Edited on March 24, 2011

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