DASH diet: Healthy eating to lower your blood pressure
Discover how DASH can help you lower your blood pressure and improve your health.
DASH stands for Dietary Approaches to Stop Hypertension.
The DASH diet is a healthy-eating plan designed to help prevent or treat high blood pressure, also called hypertension. It also may help lower cholesterol linked to heart disease, called low density lipoprotein (LDL) cholesterol.
High blood pressure and high LDL cholesterol levels are two major risk factors for heart disease and stroke.
Foods in the DASH diet are rich in the minerals potassium, calcium and magnesium. The DASH diet focuses on vegetables, fruits and whole grains. It includes fat-free or low-fat dairy products, fish, poultry, beans and nuts.
The diet limits foods that are high in salt, also called sodium. It also limits added sugar and saturated fat, such as in fatty meats and full-fat dairy products.
DASH diet and sodium
The standard DASH diet limits salt to 2,300 milligrams (mg) a day. That amount agrees with the Dietary Guidelines for Americans. That's about the amount of sodium in 1 teaspoon of table salt.
A lower sodium version of DASH restricts sodium to 1,500 mg a day. You can choose the version of the diet that meets your health needs. If you aren't sure what sodium level is right for you, talk to your health care provider.
DASH diet: What to eat
The DASH diet is a balanced eating plan that gives choices of what to eat. The diet helps create a heart-healthy eating style for life. There's no need for special foods or drinks. Foods in the diet are at grocery stores and in most restaurants.
When following DASH, it is important to choose foods that are:
- Rich in potassium, calcium, magnesium, fiber and protein.
- Low in saturated fat.
- Low in salt.
DASH diet: Suggested servings
The DASH diet provides daily and weekly nutritional goals. The number of servings depends on daily calorie needs.
Here's a look at the recommended servings from each food group for a 2,000-calorie-a-day DASH diet:
- Grains: 6 to 8 servings a day. One serving may be 1/2 cup of cooked cereal, rice or pasta, 1 slice of bread or 1 ounce dry cereal.
- Vegetables: 4 to 5 servings a day. One serving is 1 cup raw leafy green vegetable, 1/2 cup cut-up raw or cooked vegetables, or 1/2 cup vegetable juice.
- Fruits: 4 to 5 servings a day. One serving is one medium fruit, 1/2 cup fresh, frozen or canned fruit, or 1/2 cup fruit juice.
- Fat-free or low-fat dairy products: 2 to 3 servings a day. One serving is 1 cup milk or yogurt, or 1 1/2 ounces cheese.
- Lean meats, poultry and fish: six 1-ounce servings or fewer a day. One serving is 1 ounce of cooked meat, poultry or fish, or 1 egg.
- Nuts, seeds, or dry beans and peas: 4 to 5 servings a week. One serving is 1/3 cup nuts, 2 tablespoons peanut butter, 2 tablespoons seeds, or 1/2 cup cooked dried beans or peas, also called legumes.
- Fats and oils: 2 to 3 servings a day. One serving is 1 teaspoon soft margarine, 1 teaspoon vegetable oil, 1 tablespoon mayonnaise or 2 tablespoons salad dressing.
- Sweets and added sugars: 5 servings or fewer a week. One serving is 1 tablespoon sugar, jelly or jam, 1/2 cup sorbet or 1 cup lemonade.
DASH diet: Alcohol and caffeine
Drinking too much alcohol can increase blood pressure. The Dietary Guidelines for Americans recommends that men limit alcohol to no more than two drinks a day and women to one or less.
The DASH diet doesn't talk about caffeine. How caffeine affects blood pressure isn't clear. But caffeine can cause blood pressure to rise at least briefly.
If you have high blood pressure or if you think caffeine affects your blood pressure, think about cutting down. You might talk to your health care provider about caffeine.
Take aim at salt
The foods at the center of the DASH diet are low in salt. So following the DASH diet is likely to lower salt intake.
To further reduce salt:
- Read food labels and choose low-salt or no-salt-added options.
- Use salt-free spices or flavorings instead of salt.
- Don't add salt when cooking rice, pasta or hot cereal.
- Choose plain fresh or frozen vegetables.
- Choose fresh skinless poultry, fish and lean cuts of meat.
- Eat less restaurant food. When eating at restaurants, ask for dishes with less salt and ask not to have salt added to your order.
As you cut back on processed, salty foods, you might notice that food tastes different. It can take time for your taste buds to adjust. But once they do, you might prefer the DASH way of eating. And you'll be healthier for it.
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May 25, 2023
- DASH eating plan. National Heart, Lung, and Blood Institute. https://www.nhlbi.nih.gov/education/dash-eating-plan. Accessed Feb. 22, 2023.
- 2020-2025 Dietary Guidelines for Americans. U.S. Department of Health and Human Services and U.S. Department of Agriculture. https://www.dietaryguidelines.gov. Accessed Feb. 22, 2023.
- Feehally J, et al., eds. Nonpharmacologic prevention and treatment of hypertension. In: Comprehensive Clinical Nephrology. 6th ed. Edinburgh, U.K.: Elsevier; 2019. https://www.clinicalkey.com. Accessed March 16, 2023.
- Zeratsky K (expert opinion). Mayo Clinic. March 16, 2023.
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I am a nutrition enthusiast with a deep understanding of dietary approaches to manage health conditions. My expertise extends to the topic of the DASH (Dietary Approaches to Stop Hypertension) diet, a proven and effective plan designed to prevent or treat high blood pressure. My knowledge is grounded in reputable sources, and I can confidently guide you through the key concepts outlined in the article.
The DASH diet primarily aims to reduce hypertension and lower cholesterol levels associated with heart disease and stroke. The plan emphasizes foods rich in essential minerals like potassium, calcium, and magnesium, which play crucial roles in maintaining cardiovascular health. Notably, it promotes a diet centered around vegetables, fruits, whole grains, and includes sources of lean protein such as fish, poultry, beans, and nuts.
One of the distinguishing features of the DASH diet is its focus on limiting sodium intake. The standard DASH diet restricts salt to 2,300 milligrams per day, in line with the Dietary Guidelines for Americans. For individuals requiring further reduction, there's a lower sodium version, limiting intake to 1,500 mg daily. Choosing the appropriate sodium level should be done in consultation with a healthcare provider.
The DASH diet provides a flexible and balanced eating plan, offering choices within food groups. The key principles include selecting foods rich in potassium, calcium, magnesium, fiber, and protein, while keeping saturated fat and salt intake low.
To illustrate the practical application of the DASH diet, the article provides suggested servings for different food groups based on a 2,000-calorie daily intake. These recommendations cover grains, vegetables, fruits, dairy products, lean meats, nuts, seeds, beans, fats and oils, and sweets.
The article also touches upon the impact of alcohol and caffeine on blood pressure. While excessive alcohol consumption can increase blood pressure, the DASH diet doesn't specifically address caffeine. However, it suggests that individuals with hypertension or those sensitive to caffeine should consider reducing their intake and consult with a healthcare provider.
To enhance the effectiveness of the DASH diet in reducing salt intake, the article provides practical tips such as reading food labels, choosing low-salt options, using salt-free spices, and avoiding adding salt during cooking.
In conclusion, the DASH diet is a comprehensive and evidence-based approach to managing blood pressure and promoting heart health. It encourages a balanced and varied diet, making it a sustainable choice for individuals seeking long-term benefits.
