What are the Best Diets for 2021?

Jan 4, 2021 | Insight

Is eating healthier or losing weight on your list of New Year’s Resolutions? U.S. News and World Report has put together their annual ranking of the best including Best Overall Diets, Best Weight Loss Diets, and more.


.S. News & World Report, a global leader in rankings and consumer advice, has released its annual assessment of the year’s Best Diets featuring data, and information on 39 diet plans.

For the fourth consecutive year, the Mediterranean Diet tops the list as the No. 1 Best Overall Diet. 

According to the rankings, research suggests the diet can help ward off chronic diseases and improve longevity. 

U.S. News & World Report said the Mediterranean Diet also claimed the top spot in five other lists: Best Diets for Healthy Eating (tied for No. 1), Easiest Diets to Follow, Best Diets for Diabetes (tied for No. 1), Best Plant Based Diets and Best Heart-Healthy Diets (tied for No. 1). 

Tying for the No. 2 spot this year is the  DASH Diet and Flexitarian Diet on the Best Overall Diet ranking list, while WW (Weight Watchers) remains No. 4  Best Overall Diet, followed by the MIND Diet, Volumetrics, Mayo Clinic Diet and TLC Diet (all of which tied for No. 5).

“As people stay home more and move their bodies less – and grapple with the ‘quarantine 15’ – it’s important to maintain a healthy diet and stay active,” said Angela Haupt, managing editor of health at U.S. News. 

“What that looks like will be different for each person. The 2021 Best Diets rankings arm consumers with up-to-date information and data to help choose the right diet based on their unique health needs or weight goals.”

Four New Diets Make the Cut

Four new diets were added to the rankings this year: Noom Diet, the AIP Diet, GAPS Diet and Modified Keto Diet. 

The Noom Diet, which focuses on behavior change, tied with Jenny Craig for the No. 3 spot on the Best Commercial Diet list and the No. 12 spot for Best Overall Diet. 

U.S. News 2021 Best Diets Rankings

Full lists available here.

Best Overall Diets

1.  Mediterranean Diet

2.  DASH Diet (tie)          

2.  Flexitarian Diet (tie)

Best Commercial Diets

1.  WW (Weight Watchers)

2.  Mayo Clinic Diet

3.  Jenny Craig (tie)

3.  Noom Diet (tie)

Best Weight-Loss Diets

1.  Flexitarian Diet (tie)

1.  WW (Weight Watchers) (tie)

3.  Vegan Diet (tie)

3.  Volumetrics (tie)

Best Fast Weight-Loss Diets

1.  HMR Diet

2.  Atkins (tie)

2.  WW (Weight Watchers) (tie)

Best Diets for Healthy Eating

1.  DASH Diet (tie)

1.  Mediterranean Diet (tie)

3.  Flexitarian Diet

Easiest Diets to Follow

1.  Mediterranean Diet

2.  WW (Weight Watchers)

3.  Flexitarian Diet

Best Diets for Diabetes

1.  Flexitarian Diet (tie)

1.  Mediterranean Diet (tie)

3.  DASH Diet (tie)

3.  Mayo Clinic Diet (tie)

3.  Vegan Diet (tie)

Best Heart Healthy Diets

1.  DASH Diet (tie)

1.  Mediterranean Diet (tie)

1.  Ornish Diet (tie)

Best Plant Based Diets

1.  Mediterranean Diet

2.  Flexitarian Diet

3.  Nordic Diet (tie)

3.  Ornish Diet (tie)

3.  Vegetarian Diet (tie)

To view the full list, visit Best Diets 

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