Which Is Better for Blood Pressure and Heart Health?
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The DASH (Dietary Approaches to Stop Hypertension) and Mediterranean diets are widely recommended for heart health. Both have been shown to promote healthy blood pressure and reduce the risk of heart disease.
If your primary goal is to lower your blood pressure, the DASH diet has a slight advantage. It was created specifically to help reduce high blood pressure, and research shows that it works well for people who already suffer from this condition.
Studies suggest that the DASH diet can reduce systolic blood pressure (the highest number) by a few points on average, with greater benefits for people with high blood pressure. People with normal blood pressure may see smaller drops, but even modest reductions can help protect the heart.
The Mediterranean diet can also help reduce high blood pressure, but its effects are generally less. Some studies show modest reductions in systolic and diastolic blood pressure (the bottom number), especially when the diet is followed closely.
If your main goal is to reduce high blood pressure as much as possible, the DASH diet may be the best choice, especially when combined with reduced sodium intake.
The DASH and Mediterranean diets are widely considered good for heart health, but they promote heart health in slightly different ways.
In addition to reducing blood pressure, research shows that the DASH diet can improve cholesterol levels and other markers linked to heart health. Because of these benefits, the DASH diet is often recommended as a heart-healthy diet for people with or without high blood pressure.
The Mediterranean diet is linked to long-term protection against heart disease. Studies have shown that it can lower LDL (“bad”) cholesterol levels and reduce the risk of heart attacks and strokes. An emphasis on healthy fats, fish and plant-based foods may help explain these benefits.
Some studies directly comparing the two diets found that the Mediterranean diet led to greater reductions in blood pressure when salt intake was also limited. This suggests that how a diet is followed, including choices such as sodium intake, may matter as much as the diet itself.
Both eating habits are backed by extensive research and are widely recommended by health experts to support heart health. When it comes to overall heart health, not just blood pressure, the Mediterranean diet may offer broader benefits. However, both diets are good options.
The DASH and Mediterranean diets share many similarities. Both focus on a more plant-based diet and lean proteins, but they emphasize different foods and eating habits.
| DASH Diet | Mediterranean diet | |
|---|---|---|
| Foods in the diet | Fruits and vegetables; whole grains; lean meats like chicken and fish; beans; low-fat or fat-free dairy products | Healthy fats like olive oils and nuts; fish; legumes; whole grains; fruits and vegetables; (dairy products, meat, eggs and red wine in moderation) |
| Foods to limit | Foods high in sodium and saturated fat | Processed meats; foods high in sugar; refined cereals |
| Sodium intake | 2,300 milligrams per day or less (1,500 mg or less for some people with high blood pressure) | No strict limits |
The DASH diet is more structured and emphasizes a limited amount of sodium and saturated fat. Reducing sodium is a key part of the DASH diet because it plays an important role in lowering blood pressure.
The Mediterranean diet takes a more flexible approach, based on the traditional eating habits of countries in the Mediterranean region. The diet doesn’t focus as much on sodium, although it naturally includes fewer processed foods, which can help reduce one’s intake.
When it comes to long-term habits, the DASH and Mediterranean diets can be very different.
The Mediterranean diet may be easier to follow in the long term. It allows for more flexibility, includes flavorful foods like olive oil and nuts, and doesn’t require strict rules or monitoring. Meals are also meant to be enjoyed, which can make the diet less restrictive and more like a lifestyle.
The DASH diet can be very effective, but it can be more difficult to maintain for some people. The emphasis on low sodium, along with specific recommendations regarding dairy and portion sizes, may require more planning.
Adherence to diets varies from person to person. Some people may prefer the clear structure of the DASH diet, while others do better with the flexibility of the Mediterranean diet.
The best diet is the one you can stick to. For many people, the Mediterranean diet may seem more sustainable, but both approaches promote heart health when followed consistently.
Choosing between the DASH and Mediterranean diets depends on what you want to focus on most.
- If your primary goal is to lower blood pressure: The DASH diet may be a good place to start. It was created for this purpose and includes clear advice on sodium, portion sizes and food groups, which may help some people achieve results faster.
- If your goal is to maintain overall health or diet long-term: The Mediterranean diet might be better suited. Some people find that the Mediterranean diet requires less planning and allows you to eat more foods, which can make it easier to follow.
- For a balanced approach: You don’t have to choose just one diet. Many people combine elements of both, such as eating more fruits, vegetables and whole grains, using olive oil, choosing fish more often and controlling their sodium intake, to reap the benefits of each.
Your choice between the DASH and Mediterranean diets depends on your health goals, preferences and lifestyle. Any plan that helps you eat more whole foods and fewer highly processed foods can support heart health.
Diet plays an important role in heart health, but it works best when combined with other healthy habits, whether you follow the DASH diet or the Mediterranean diet.
Certain habits help protect the heart and can increase the heart-healthy benefits of a diet, including lowering blood pressure and reducing the risk of heart disease. These include:
- Exercise regularly
- Get enough sleep
- Managing stress
- Avoid smoking
- Maintain a healthy weight determined by you and your doctor
While what you eat is important, diet is only part of the picture. Combining the DASH or Mediterranean diet with other healthy lifestyle habits provides the greatest benefit for blood pressure and overall heart health.
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