Best Heart-Healthy Diets

Being overweight is just one factor that puts people at risk for heart disease and stroke. A heart-healthy diet can help you lose weight or lower cholesterol, blood pressure, or triglycerides. According to experts who rated the 29 diets below, the Ornish Diet is the most heart-healthy.

#20

Slim-Fast

(2.8 out of 5.0)

Slim-Fast recipes | Slim-Fast reviews

Slim-Fast wasn’t designed as a heart-healthy diet, and while it shouldn’t increase your risk of cardiovascular problems, it’s unlikely to prevent them, either. The diet received lower marks for heart health than for any other measure the experts evaluated.

How the Slim-Fast works

#20

Zone Diet

(2.8 out of 5.0)

Zone Diet recipes | Zone Diet reviews

The Zone Diet received mediocre reviews from experts as a diet for heart health. Still, some research suggests it might help lower LDL cholesterol, which is a risk factor for cardiovascular disease.

How the Zone Diet works

#23

Abs Diet

(2.7 out of 5.0)

Abs Diet recipes | Abs Diet reviews

The Abs diet landed in the bottom third on this list, with 2.7 out of 5 stars. Research is lacking, so experts questioned its ability to prevent or manage heart disease. Still, the plan’s emphasis on fruits, veggies, and whole grains is a positive factor.

How the Abs Diet works

#23

Medifast

(2.7 out of 5.0)

Medifast recipes | Medifast reviews

Although some research suggests Medifast may benefit heart health, experts who rated the diet weren’t overly enthusiastic. Their ratings placed Medifast toward the bottom of this ranking.

How the Medifast works

#25

Nutrisystem

(2.4 out of 5.0)

Nutrisystem recipes | Nutrisystem reviews

The experts gave Nutrisystem some of its lowest scores in judging it as a diet to prevent cardiovascular disease or other heart problems.

How the Nutrisystem works

#26

Glycemic-Index Diet

(2.3 out of 5.0)

Glycemic-Index Diet recipes | Glycemic-Index Diet reviews

In the absence of convincing research on the glycemic-index diet’s purported cardiovascular benefits, experts gave it low scores as a heart-health tool.

How the Glycemic-Index Diet works

#27

Atkins

(2.1 out of 5.0)

Atkins recipes | Atkins reviews

The experts were concerned about the diet’s fat-heavy menu and judged it accordingly. Although Atkins scored decently in weight loss, and losing weight can reduce the risk of many heart problems, experts want to see stronger long-term research before accepting the diet’s potential heart benefits.

How the Atkins works

#28

Paleo Diet

(2.0 out of 5.0)

Paleo Diet recipes | Paleo Diet reviews

The Paleo diet is unlikely to help prevent or manage cardiovascular disease, our expert panel concluded. Most panelists, in fact, felt that evidence of any health benefit was lacking.

How the Paleo Diet works

#29

Dukan Diet

(1.7 out of 5.0)

Dukan Diet recipes | Dukan Diet reviews

The Dukan diet came in dead last in the heart-health category, with experts ranking it short of minimally effective. Don’t expect it to have a positive effect. “Long-term research” is needed to suss out any potential benefits, according to one expert.

How the Dukan Diet works

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Best Diets Rankings

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

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Plant-based diets ranked by overall effectiveness.

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