Potassium is an important mineral that helps maintain stable blood pressure, especially in the DASH diet. This nutrient is abundant in bananas, avocados, potatoes, sweet potatoes, legumes, and dark green leafy vegetables.
Potassium supports the elimination of excess sodium through urine and helps dilate blood vessels, thereby improving blood circulation and reducing pressure on the blood vessel walls. When the body lacks potassium, blood vessels can become less elastic, increasing the risk of high blood pressure.
The recommended daily intake of potassium for the body ranges from 3,500 to 5,000 mg from food. Magnesium contributes to muscle relaxation, helping to limit spasms and elevated blood pressure. This nutrient is found in abundance in green vegetables, legumes, seeds, and whole grains such as oats and brown rice. Adults should aim to consume about 310 - 420 mg of magnesium per day, depending on age and gender.
Calcium is not only essential for bones but also plays a role in regulating the contraction and dilation of blood vessels, supporting the heart to pump blood more effectively. Common sources of calcium include milk, yogurt, cheese, calcium-fortified products, and tofu. The DASH diet recommends consuming 2 - 3 servings of low-fat or fat-free dairy per day.
Fiber is an important nutritional component that helps control blood pressure through multiple mechanisms. Fiber nourishes beneficial gut bacteria, reduces inflammation, and supports blood vessel function. At the same time, it controls blood sugar, increases insulin sensitivity, and supports weight management.
Fiber-rich foods include lentils, cabbage, oats, berries, and chia seeds, which are easy to add to daily meals.
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