Potassium is another important source. Getting enough of this mineral may help lower your blood pressure. It's best to get potassium from food instead of supplements. Aim for 4,700 milligrams (mg) a day. Try these potassium-rich foods:
- Potato: 926 mg
- Sweet potato: 540 mg
- Banana: 420 mg
- Avocado (1/2): 345 mg
- Cooked spinach (1/2 cup): 290 mg