Peanut butter has moderate potassium, about 180–210 mg per 2 tablespoons, plus protein and healthy fats—just watch portions if managing kidney health.

Carrots contain potassium—about 320 mg per 100 g—plus fiber, vitamin A and antioxidants, but they’re not a high-potassium food; juice adds up fast.

Learn why walnuts taste bitter, how to tell natural tannins from rancidity or mold, plus easy storage, roasting and blanching tips for fresher flavor.