Dietary Approaches to Stop Hypertension (DASH) Diet: Definition and Overview

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What is the DASH diet

What is the DASH diet?

The DASH diet is a diet that has been scientifically proven to reduce blood pressure. This eating plan is the product of the Dietary Approaches to Stop Hypertension (DASH) study, which showed that the plan results in significantly lower blood pressure than the traditional American diet. The DASH diet is designed to be low in saturated fat, cholesterol, and total fat, and rich in potassium, magnesium, and calcium as well as protein and fiber. It includes plenty of fruits, vegetables, and whole grains. It also includes fat-free or low-fat milk and milk products, lean meat and poultry, fish, and nuts. It includes less red meat and far less sugar than the typical American diet.

Broken out by food group, a 2,000-calorie DASH meal plan would contain the following:

  • 7–8 daily servings of grains (serving: 1 slice bread, 1 ounce dry cereal, or 1/2 cup cooked grain, pasta, or cereal
  • 4–5 daily servings of vegetables (serving: 1/2 cup cut or cooked vegetables, 3/4 cup vegetable juice, or 1 cup raw, leafy vegetables)
  • 4–5 daily servings of fruit (serving: 1 medium piece of fruit, 1/4 cup dried fruit, 3/4 cup fruit juice, or 1/2 cup fresh, frozen, or canned cut fruit)
  • 2–3 daily servings of fat-free or low-fat milk and milk products (serving: 1 cup milk or yogurt or 1 1/2 ounces cheese)
  • 2 or fewer daily servings of lean meat, poultry, and fish (serving: 3 ounces, cooked)
  • 4–5 servings per week of nuts, seeds, and legumes (serving: 1/2 cup cooked beans, 1/3 cup nuts, or 2 tablespoons peanut butter)
  • 2–3 daily servings of fats and oils (serving: 1 teaspoon vegetable oil, 1 tablespoon low-fat mayonnaise, or 2 tablespoons light salad dressing)
  • 5 servings or fewer per week of sweets and added sugars (serving: 1 cup lemonade, 1/2 cup sorbet or gelatin, or 1 tablespoon sugar, jam, or jelly)

Is the DASH diet good for diabetics?

A study published in 2004 in the journal Diabetes Care also showed that the DASH diet can improve insulin sensitivity by up to 50%, suggesting that it might also improve blood glucose control. For more information on the DASH diet, consult your dietitian or download “Your Guide to Lowering Your Blood Pressure with DASH” from the National Heart, Lung, and Blood Institute at

Originally Published November 24, 2009

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