Sodium plays a key role in your body. It helps maintain normal blood pressure, supports the work of your nerves and muscles, and regulates your body's fluid balance. A normal blood sodium level is between 135 and 145 milliequivalents per liter (mEq/L).

What sodium does to your body?

Sodium is an essential electrolyte that helps maintain the balance of water in and around your cells. It's important for proper muscle and nerve function. It also helps maintain stable blood pressure levels. Insufficient sodium in your blood is also known as hyponatremia.

Why is sodium bad for you?

Your body needs a small amount of sodium to work properly, but too much sodium can be bad for your health. Diets higher in sodium are associated with an increased risk of developing high blood pressure, which is a major cause of stroke and heart disease.