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To find out, MoneyWatch analyzed eight of the biggest diet plans. Three are support-only plans that don't require you to buy their food, and five are food-delivery plans. We interviewed leading nutritionists and weight-loss professionals, pored through clinical studies, and tallied up membership fees and food costs to determine the ones most likely to help you slim down and to see how much you'd pay to drop 20 pounds.
Our favorite for value and efficacy is Weight Watchers , designed to help you change your eating habits for good. Nutrisystem is the least expensive meal delivery plan we reviewed Medifast is cheaper, but you have to provide one meal a day on your own. And the silver-spoon award undoubtedly goes to In The Zone Delivery , a white-glove service for people who'll spare no expense to drop the pounds.
Here's how the plans stack up. See the handy chart at the bottom of the page for a side-by-side comparison. The oldest national weight-loss program, its members rave about the encouragement they get at weekly meetings led by former Weight Watchers dieters.
Nutritionists praise the portion-control points system: Each food is assigned points based on its serving size, calories, fiber, and fat; and no foods are forbidden. Your point allowance is based on your weight, height, gender, age, and activity level. A recent clinical study in the New England Journal of Medicine linked group counseling sessions to weight-loss success. That explains why Weight Watchers has impressive short-term results. A study in the Annals of Internal Medicine showed participants lost an average of about 5 percent of their body weight 10 pounds in six months.
Two years later, they had kept about half the weight off. After that, you get free lifetime membership. The company says members using its online tools in addition to attending meetings lost 50 percent more weight than those going to meetings alone.
Cost to lose 20 pounds: We looked at two plans from eDiets — one that offers support alone, and another with meal delivery. You can choose from among more than 20 diet plans, including ones for diabetics and vegetarians. Consider this available item. We don't know when or if this item will be back in stock. Unable to add item to List. Sorry, there was a problem. There was an error retrieving your Wish Lists. Have one to sell? Share Facebook Twitter Pinterest.
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There was a problem completing your request. Please try your search again later. Click here for Proposition 65 warning. Be the first to review this item Amazon Best Sellers Rank: Related Video Shorts 0 Upload your video. Important information Legal Disclaimer Statements regarding dietary supplements have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or health condition. See questions and answers.