Jeffrey Salazar
Diet and lifestyle can have a profound impact on blood pressure. Eating a healthy, balanced diet that includes fruits, vegetables, whole grains, and fibre, while limiting salt, sugar, alcohol, and saturated fat, can help keep hypertension in check. The DASH (Dietary Approaches to Stop Hypertension) diet, which revolves around foods naturally rich in potassium, calcium, magnesium, fibre, and protein, and is low in sodium, sugar, and unhealthy fats, has been named the Best Diet for High Blood Pressure in 2025 by the U.S. News & World Report.
Diets to Manage High Blood Pressure
| Characteristics | Values |
|---|---|
| Name | DASH Diet (Dietary Approaches to Stop Hypertension) |
| Description | Focuses on healthy food sources and limits saturated fat, salt, and sugar |
| Recommended Foods | Fruits, vegetables, wholegrains, lean meats, poultry, fish, low-fat or fat-free dairy products, nuts, seeds, legumes, eggs, beans, and lentils |
| Restricted Foods | Processed foods, canned foods, packaged foods, salty foods, sugary treats, alcohol, red meat, and processed meat |
| Sodium Intake | Less than 2,500 milligrams (1 teaspoon) per day for healthy individuals; 1,500 milligrams (less than a teaspoon) per day for those with high blood pressure or at risk |
| Nutrients | Potassium, magnesium, calcium, fiber, and protein |
| Benefits | Proven to lower blood pressure, reduces the risk of coronary artery disease and stroke, promotes weight loss |
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What You'll Learn
The DASH diet
The number of servings you should have each day depends on your daily calorie needs. For a 2,000-calorie-a-day diet, it is recommended that you eat:
- Grains: 7-8 daily servings (serving sizes: 1 slice of bread, 1/2 cup cooked rice or pasta, 1 ounce dry cereal)
- Vegetables: 4-5 daily servings (1 cup raw leafy greens, 1/2 cup cooked vegetables)
- Fruits: 4-5 daily servings (1 medium fruit, 1/2 cup fresh or frozen fruit, 1/4 cup dried fruit, 6 ounces fruit juice)
- Low-fat or fat-free dairy products: 2-3 daily servings (8 ounces milk, 1 cup yogurt, 1.5 ounces cheese)
- Lean meat, poultry, and fish: 2 or fewer servings a day (3 ounces cooked meat, poultry, or fish)
It is important to note that eating a heart-healthy diet is crucial for managing your blood pressure and reducing your risk of heart attack, stroke, and other health threats.
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Heart-healthy foods
Eating a heart-healthy diet is important to help manage your blood pressure and reduce your risk of heart attack, stroke and other health threats. The American Heart Association recommends getting less than 2,500 milligrams (about 1 teaspoon) of sodium per day unless you have high blood pressure or are otherwise at risk, in which case the recommended amount is 1,500 milligrams per day. To lower the sodium in your diet, you can keep a food diary, avoid automatically reaching for the salt shaker, and read labels when shopping to look for lower-sodium options.
The DASH (Dietary Approaches to Stop Hypertension) diet is a balanced eating plan that is proven to help lower blood pressure. The DASH diet cuts out desserts, sweetened beverages, fats, red meat, and processed meats. It focuses on healthy food sources, including fruits, vegetables, whole grains, and lean protein like fish, poultry, and beans.
In addition to the DASH diet, there are other heart-healthy foods that can help lower blood pressure. These include:
- High-fiber foods, such as blackberries, raspberries, and oatmeal.
- Foods containing omega-3 fatty acids, which slow the rate of plaque buildup in blood vessels.
- Foods containing nitrates, which convert to nitric oxide in the body and relax blood vessels.
It is also important to note that in addition to diet, weight loss and exercise can help lower blood pressure. Any dietary intervention that leads to weight loss will lead to a drop in blood pressure, including a low-carb diet and intermittent fasting.
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Lowering sodium intake
The American Heart Association recommends consuming less than 2,500 milligrams (about one teaspoon) of sodium per day. However, if you have high blood pressure or are at risk due to other factors such as diabetes, kidney disease, or being African American, it is advised to limit your sodium intake to 1,500 milligrams or less per day. This amount is roughly equal to less than a teaspoon of salt from all your meals and snacks combined.
To achieve this, it is important to read nutrition labels and choose lower-sodium options. Most of the sodium in our diets comes from packaged and processed foods, so it is advisable to reduce the consumption of such foods. When buying prepared and packaged foods, beware of terms like "soda" and "sodium" and the symbol "Na" on labels, as they indicate the presence of sodium compounds. Instead, opt for low-sodium or no-salt-added versions of canned or frozen foods.
Additionally, you can break the habit of automatically reaching for the salt shaker at the table. When cooking, if you need to use salt, add it at the end, and you will need to add less. You can also use salt-free seasonings to enhance the flavor of your meals without increasing the sodium content.
The DASH (Dietary Approaches to Stop Hypertension) diet is a popular and effective approach to reducing sodium intake and lowering blood pressure. This diet not only restricts sodium but also provides a very nutritious alternative. It involves cutting out desserts, sweetened beverages, fats, red meat, and processed meats while increasing your intake of whole grains, fruits, vegetables, low-fat dairy products, and lean protein sources.
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High-potassium foods
Consuming high-potassium foods is an effective way to lower blood pressure. According to a researcher from the Keck School of Medicine of USC, Alicia McDonough, "decreasing sodium intake is a well-established way to lower blood pressure, but evidence suggests that increasing dietary potassium may have an equally important effect on hypertension".
Population studies have shown that higher dietary potassium is associated with lower blood pressure, regardless of sodium intake. Interventional studies with potassium supplementation have also suggested that potassium provides a direct benefit. McDonough also reviewed studies that indicated that the body balances sodium and potassium levels in the blood, which is critical to normal heart, nerve, and muscle function. When there is a high presence of dietary potassium, the kidneys excrete more salt and water, increasing potassium excretion.
The average American diet delivers too much sodium and too little potassium. Reversing this imbalance could prevent or control high blood pressure and lead to fewer heart attacks, strokes, and deaths from heart disease. Normal body levels of potassium are essential for muscle function. Potassium relaxes the walls of the blood vessels, lowering blood pressure and protecting against muscle cramping.
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Lifestyle changes
Dietary Approaches to Stop Hypertension (DASH) is a flexible and balanced eating plan that helps create a heart-healthy eating style for life. It is proven to help lower blood pressure and has been named the "Best Heart-Healthy Diet" and "Best Diet for High Blood Pressure" by U.S. News & World Report in 2025. The DASH diet focuses on healthy food sources and limits the consumption of foods high in saturated fat, such as fatty meats, full-fat dairy products, and tropical oils like coconut and palm oil. It also recommends limiting salt and sugar intake, which can be achieved by reducing the amount of processed food and table salt in your diet.
To lower blood pressure, it is important to include foods rich in potassium, magnesium, calcium, fiber, and protein. Fruits and vegetables are excellent sources of these nutrients and are also low in sodium. Whole grains, nuts, seeds, legumes, lean meats, and poultry are also good sources of magnesium and fiber. Dairy products, such as milk and yoghurt, are a good source of calcium, which has been linked to blood pressure reduction.
In addition to the DASH diet, other lifestyle changes can be made to help manage high blood pressure. These include increasing physical activity, maintaining a healthy weight, and reducing stress. Regular exercise, such as walking, jogging, or swimming, can help to lower blood pressure and improve overall health. Maintaining a healthy weight is also important, as being overweight can contribute to high blood pressure. Finally, finding healthy ways to manage stress, such as through meditation or yoga, can also help to keep blood pressure in check.
It is also important to note that diet is not the only factor in reducing blood pressure. It is essential to take any prescribed medications and make other necessary lifestyle changes. Additionally, some studies have shown that consuming beetroot juice and lycopene-rich tomato products may help lower blood pressure and reduce the risk of heart disease.
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Frequently asked questions
The DASH diet, which stands for Dietary Approaches to Stop Hypertension, is an effective and popular plan for lowering blood pressure. It is a flexible, balanced eating plan that revolves around whole grains, fruits, and vegetables, and includes fish, poultry, beans, nuts, and healthy oils. It is proven to help lower blood pressure and LDL cholesterol, two risk factors for heart disease.
The DASH diet emphasizes foods that are rich in potassium, calcium, magnesium, fibre, and protein, and low in sodium, sugar, and unhealthy fats. It recommends limiting saturated fat, cholesterol, and sodium, which can contribute to high blood pressure, and limiting sweets and products with added sugar.
Foods that are high in potassium, calcium, magnesium, and fibre can help to lower blood pressure. Good sources of these nutrients include leafy greens such as kale, collard greens, and spinach, as well as dairy products such as milk, Greek yogurt, and cheese.
