Best Diets Overall

U.S. News evaluated and ranked the 32 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 and effective for weight loss and against diabetes and heart disease. The government-endorsed Dietary Approaches to Stop Hypertension (DASH) snagged the top spot.

#31

Dukan Diet

(2.0 out of 5.0)

Dukan Diet recipes | Dukan Diet reviews

Experts sent the Dukan diet to the bottom, handing out dismal ratings in nearly every category. Its overall score was more than a full star below average. It’s too restrictive, with lots of rules, and there’s no evidence it works. One expert described the diet as “idiotic.”

How the Dukan Diet works

#31

Paleo Diet

(2.0 out of 5.0)

Paleo Diet recipes | Paleo Diet reviews

Experts took issue with the diet on every measure. Regardless of the goal—weight loss, heart health, or finding a diet that’s easy to follow—most experts concluded that it would be better for dieters to look elsewhere. “A true Paleo diet might be a great option: very lean, pure meats, lots of wild plants,” said one expert—quickly adding, however, that duplicating such a regimen in modern times would be difficult.

How the Paleo Diet works

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Best Diets Rankings

Best Weight-Loss Diets
Diets ranked by effectiveness for both quick and lasting weight loss.

Best Diabetes Diets
Diets that can prevent diabetes or help diabetics.

Best Heart-Healthy Diets
Diets that lower cholesterol, blood pressure or triglycerides.

Best Diets for Healthy Eating
Diets ranked by how safe and nutritionally complete they are.

Best Commercial Diet Plans
Brand-name diets ranked by overall effectiveness.

Easiest Diets to Follow
Diets ranked on whether they're a snap to stick to.

Best Plant-Based Diets
Plant-based diets ranked by overall effectiveness.

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