Health
Costly Calories




Let's face it: You probably ate too much pie this December.

Though scientists have disputed the popular belief that most of us gain between 5-10 pounds between Thanksgiving and New Year's Day, there's no denying what we've done the rest of the year. Nearly one-third of American adults are overweight, and another third are technically obese, as defined by a body-mass index of more than 30. And now, in the cold, sober light of the New Year, they're stepping onto the scales with a sigh and wondering: How long will it take to get rid of the excess fat?

They might just as well ask themselves how much money it'll take to lose the weight. Last year, Americans spent an estimated $46 billion on diet products and self-help books.

But much of that money is wasted. In fact, a government review found that two-thirds of U.S. dieters regained all the weight they had lost within a year, and 97% had gained it all back within five years. And following these regimes is significantly more expensive than the tried and true technique of eating less and exercising more.

How much more? To find out, we examined weekly menus--culled from official publications or company representatives--from ten of the most popular diets on the market: Atkins, Jenny Craig, Ornish, NutriSystem, Slim Fast, South Beach, Subway, Sugar Busters!, Weight Watchers and Zone.

The median diet worked out to a costly $85.79 a week--that's 50% more than the $54.44 the average single American spends on food. Our price calculations for the foods on each menu were done on a per-serving basis. Prices came from New York City-based online grocer Fresh Direct and were adjusted to the national average to control for any price differential. (Click here for a complete methodology.)

Diet Total Price of Weekly Food Menu* ** Percent Over National Average
Jenny Craig $137.65 152.8%
NutriSystem 113.52 108.5
Atkins 100.52 84.6
Weight Watchers 96.64 77.5
Zone 92.84 70.5
Ornish 78.74 44.6
South Beach 78.61 44.4
Slim Fast 77.73 42.8
Sugar Busters! 69.62 27.9
Subway 68.60 26.0
Median 85.79 57.6
Sources: Forbes, Fresh Direct, Amazon, Bureau of Labor Statistics * Adjusted for NYC prices ** Includes the cost of associated book, if applicable, and any membership fees associated with the diet, averaged over a six-month period.
Jenny Craig dieters were the hardest hit. A week's worth of food, which included both Jenny Craig-supplied meals and supplemental snacks, cost $137.65. Jared Fogle's informal--but, for him, effective--Subway Sandwich Diet was the least expensive of the bunch at $68.60 a week. The Sugar Busters! Diet came in a close second, with its weekly menu costing $69.62.

Does it really cost more to eat healthfully?

It doesn't have to, according to Dr. Pamela Peeke, a Pew Foundation scholar in nutrition and metabolism, "as long as you keep it simple." A typical, unfussy Sugar Busters! dinner of baked turkey breast with vegetables and a sweet potato on the side worked out to a mere $3.24. By contrast, one Ornish dinner had a shopping list 28 items long--and that's not counting herbs, spices or condiments. And an Atkins lobster salad lunch recipe called for one-quarter pound of lobster tail meat at $25.99 a pound.

"How many people know what orange roughy is? Give me a break," Dr. Peeke grumbles. "Give me a skinless, boneless chicken breast and call it a day."

And despite the extra cost, most diets currently on the market are not effective. "Let's face it," says Dr. Stephen Gullo, a New York City doctor and author of The Thin Commandments Diet, "this is the only growth industry in the United States where most of the customers fail."

"The very existence of the diet industry is proof of its ineffectiveness. If there were one safe, effective way to lose weight, then the others would be out of business," says Marilyn Wann, author of Fat! So?

According to Ernst Schaefer, a professor at Tufts University, "The fundamental misconception about diets is that most people are looking for a magic bullet." He--and many other nutritionists--claim that the most effective way of losing weight is to restrict caloric intake, and the most effective way to maintain the loss is through regular exercise.

Marian Nestle, professor of nutrition at New York University, agrees. "Eat less, move more," she suggests.

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