Potassium is a crucial nutrient, playing key roles in muscle strength, nerve function and heart health. And if you don't get enough—4,700 mg a day—it could lead to a deficiency, complete with fatigue, muscle cramps, heart palpitations and dizzy spells. 

You've probably heard that bananas are packed with potassium, which is true. This tasty staple is a great option for an ample dose of the nutrient, with 422 mg in each medium-sized serving according to the USDA Nutrient Database. But it's certainly not the only way to load up on this important mineral—or even the best way! Here, we've rounded up five foods high in potassium. 

Sweet potato

Have a sweet potato as a side dish all summer long. This delicious, vitamin-packed super-food has 542 mg of potassium (for one medium-sized, baked sweet potato).  Other foods high in potassium:

Avocado

There couldn't be a better time to eat avocado The 487 mg of potassium is in half the fruit.

White beans

White beans are another food high in potassium. In just half a cup, get around 502 mg of the mineral

Yogurt

Simple plain yogurt. In eight-ounce serving, has 579 mg of potassium.

Spinach

In your salad or in a delicious smoothie — take advantage of its whopping 839 mg of potassium per cup. 

So what are you waiting for? Add these foods high in potassium to your diet now!