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In a new review of randomized controlled trials, people around the Atkins, Zone, and Weight Watchers diets 2 Day Diet Lingzhi all lose a similar amount of weight over the first year and gain some back afterwards.
The accessible studies to date don't definitively conclude whether one branded diet is better than others, said lead author Renee Atallah of the Center for Clinical Epidemiology and woman Davis Institute at Jewish General Hospital of McGill University in Montreal.
Large clinical trials will have to compare all four diets to answer that questions, Atallah told Reuters Health by email.
"These trials need to assess both long-term weight reduction and alterations in other heart disease risks to ensure that we better understand the potential benefits using their use," Atallah said.
These results echo another recent review of 11 popular branded diets. For the reason that study, low-carb and low-fat diets leads to probably the most weight reduction, but all the diets were similarly effective (see Reuters story of September 2, 2014 here: http://reut.rs/1lzyYxl).
Atkins focuses on carbohydrate restriction with unlimited protein and fat consumption. Zone, also low-carb, stands out on the consumption of low-fat proteins and small quantities of good fat.
Dieters combines food and exercise tracking with behavior modification utilizing a personalized points system targeting calorie restriction.
The new review included 10 randomized trials comparing atkins, Dieters or South Beach Diet with a comparison group also attempting to lose weight using conventional methods although not a branded diet, and 2 studies comparing the diets head-to-head, both including Zone.
Only one trial included the South Beach Diet, a modified low-carb, high-protein plan, also it did not result in excess fat loss than the comparison group, but the participants in this study were severely obese coupled with undergone gastric bypass surgery, the authors note.
Dieters on Atkins, Zone and Dieters lost similar modest amounts of weight within the first 12 months. In head-to-head trials, those on atkins lost a typical 4.6 to 10.3 pounds, Weight Watchers participants lost an average 6.6 pounds, Zone dieters lost a typical 3.5 to 7 pounds, and people within the comparison groups using non-branded methods lost about 4.9 pounds.
In the long term, most dieters had gained some of the weight back, but Weight Watchers dieters were more likely to maintain excess fat loss compared to comparison group.
For other health indicators, like cholesterol, blood pressure level, blood sugar levels, or other cardiovascular risks, there wasn't any difference between Atkins, Dieters and Zone, the researchers reported in Circulation: Cardiovascular Quality and Outcomes.
"Our results claim that popular diets by themselves might not be the reply to lose weight," Atallah said. "People should seek guidance using their physician along with other health care professionals to build up a broader lifestyle intervention, which may be more efficient."
The 4 diets in the review have a lot of elements in keeping and do start adding some tried-and-true approaches for weight reduction, based on Lindsay Malone, a registered dietitian at the Cleveland Clinic who had been not part of the new review.
All of the diet plans involve some kind of dietary tracking, which is an essential component of weight loss success . plans, she said.
"They just about all promote non-starchy vegetables, low-calorie high-volume foods," Malone told Reuters Health by phone. "Most be put off by fast foods."
Dieters might have been associated with more lasting weight reduction since it builds in allowances for going "off-plan," round the holidays or for special events, she said. Anyone trying to lose weight can attempt to permit some flexibility like this, which might help achieve sustainable results, she said.
"All of those diets eliminate the junk calories," that is important, she said.
Dieters don't necessarily Lida Daidaihua Original have to forego these diets, "but they ought to remember that on their own they are certainly not sufficient to achieve sustained weight loss," Atallah said.- Reuters
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