Weight Watchers did not, however, earn the strongest scores on weight loss, a distinction that went to second-ranked Slim-Fast, which replaces parts of two meals a day with shakes and bars. Atkins, which has led the low-carb charge, got good scores for short-term weight loss, but landed at the bottom of the ratings because of poor marks on retention and nutrition.
Colette Heimowitz, vice president of education and research at Atkins Nutritionals, criticized the study, saying it focused only on Atkins’ weight-loss components, ignoring its more flexible weight maintenance stages. The magazine’s conclusions are based on a review of published clinical research on each diet, and a nutrient and calorie analysis of a week’s worth of menus, including how closely they follow federal dietary guidelines. Heimowitz took issue with the use of the federal guidelines as a way to evaluate the diets, saying those standards are intended for maintaining a healthy weight, not losing fat.
All of the diets reviewed are low enough in calories to produce results, but success relies on sticking to the plan, said Nancy Metcalf, a senior editor at Consumer Reports.
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That accounts for the strong showing by Weight Watchers, which backs up a flexible, low-calorie, low-fat approach with weekly motivational meetings, Metcalf said.
Slim-Fast, which sells its bars and beverages in grocery and drug stores, was praised for its ease and balanced nutrition. Thomas Wadden, a University of Pennsylvania weight loss expert, said the ratings seem sound, but noted the challenge of making comparisons when some diets involve structured meetings and others are do-it-yourself. He added that the Atkins diet might have ranked better if weight loss was the only criterion. Four other programs, Internet-based eDiets, Jenny Craig, South Beach and Volumetrics, were included in the review, but not ranked because not enough independent clinical studies had been done on them to allow comparison, the magazine said. Use our low carb dining out plan to build a solid strategy for eating low carb away from home in any restaurant. Interactive digital and audio keto meal plans slide you into fat-burning mode, without needing to go strict low carb!
When checked, Shutterstock's safe search screens restricted content and excludes it from your search results. But many doctors are puzzled because the operation doesn't carry a 100 percent guarantee, it's major surgery -- and women have other options, from a once-a-day pill to careful monitoring. Its retention matched Weight Watchers’ during the first six months, but then dropped considerably.
Dean Ornish, had the worst retention rate, though it had good long-term weight loss and was praised as a treatment for heart disease. But Wadden said the magazine rightly considered the overall healthfulness of the diets’ approaches. When it’s the only option, choose unprocessed meats, plain veggies without a sauce and cheese. Though its followers tended to drop out over time, the diet earned points for having considerably less fat than the Atkins approach.
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