Did you know that tomato sauce contains 728 milligrams of potassium per cup? This old but popular pasta topper is a complete source of potassium and other healthy nutrients provided you choose a low-sugar organic variety in BPA-free packaging. You can try the Cucina Antica Tomato basil sauce.
A standard-size watermelon wedge contains 320 milligrams of potassium. If you prefer juicing watermelon, a 12-ounce bottle of watermelon juice/water has 825 milligrams of potassium and is free of artificial sugars.