The publication evaluated and ranked the 35 diets below with input from a panel of health experts. To be top-rated, a diet had to be relatively easy to follow, nutritious, safe, effective for weight loss and protective against diabetes and heart disease.
1. DASH Diet
DASH was developed to fight high blood pressure, not as an all-purpose diet. But it certainly looked like an all-star to our panel of experts, who gave it high marks for its nutritional completeness, safety, ability to prevent or control diabetes, and role in supporting heart health. Though obscure, it beat out a field full of better-known diets.
2. TLC Diet
Therapeutic Lifestyle Changes, or TLC, is a very solid diet plan created by the National Institutes of Health. It has no major weaknesses, and it’s particularly good at promoting cardiovascular health. One expert described it as a “very healthful, complete, safe diet.” But it requires a “do-it-yourself” approach, in contrast to the hand-holding provided by some commercial diets.
3. Mayo Clinic Diet
This is the Mayo Clinic’s take on how to make healthy eating a lifelong habit. It earned especially high ratings from our experts for its nutrition and safety and as a tool against diabetes. Experts found it moderately effective for weight loss.
4. Mediterranean Diet
With its emphasis on fruits and vegetables, olive oil, fish and other healthy fare, the Mediterranean diet is eminently sensible. And experts’ assessments of it were resoundingly positive, giving this diet an edge over many competitors.
5. Weight Watchers
Weight Watchers is a smart, effective diet. It surpassed other commercial diet plans in multiple areas, including short- and long-term weight loss and how easy it is to follow. It’s also nutritionally sound and safe, according to experts. Among its pluses: An emphasis on group support, lots of fruits and vegetables, and room for occasional indulgences.
6. Flexitarian Diet
The Flexitarian diet, which emphasizes fruits, veggies, whole grains and plant-based protein, is a smart and healthy choice. It outperformed many of its competitors, with particularly high scores in nutritional completeness, easiness to follow and long-term weight loss. One panelist noted that this diet is “a nice approach that could work for the whole family,” and another described it as a “very good” plan.
Volumetrics outperformed its competitors in many categories. It earned particularly high marks for being safe and nutritious, and experts said it could have a positive effect on heart health and diabetes. “This is an eating plan that everyone can benefit from,” one expert said.
8. Jenny Craig
Jenny Craig drew praise from experts for being easy to follow, nutritionally complete and safe, and for offering dieters emotional support. But these experts were lukewarm about its potential to bolster heart health or help diabetics. Experts also noted that Jenny Craig’s cost could be a roadblock for some.
9. Biggest Loser Diet
The diet received high marks for short-term weight loss, safety and soundness as a regimen for diabetes, and it was rated moderately effective for heart health. But many panelists felt that in a sea of diets, it’s not overly special, and one said it’s merely “capitalizing on the name” of the popular TV show.
10. Ornish Diet
The Ornish diet got a mixed reaction from experts. On one hand, it’s nutritionally sound, safe and tremendously heart-healthy. On the other, it’s not easy for dieters to adhere to the severe fat restriction the diet demands.
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