4. Frozen Spinach
Add 1 cup of frozen spinach to your next stir-fry or pasta dish and you’ll get a respectable 574 mg (11% DV) of potassium, per the USDA. Spinach is also rich in magnesium, vitamin A, and calcium. Bonus: It’s crazy inexpensive—usually much cheaper than fresh veggies.
A cup of cooked, sliced beets delivers 518 mg (11% DV) of potassium, per the USDA, while a 17 gram snack bag of Rhythm Superfoods Naked Beet Chips boasts an impressive 310 mg. The sweet root vegetable is super versatile, though, and can be used in everything from salads to juices to soups.