Vitamins and minerals are essential to human health and wellness, helping with body functions and protecting against illness. If you don't have a vitamin deficiency and eat a varied diet rich in nutrients, you probably get enough vitamins and minerals naturally. But if like many people you skimp on some of the necessary foods, you may need to take supplements or change your diet or lifestyle. eHow talked to Roxanne Sukol, the medical director of the Cleveland Clinic Wellness Enterprise, about the most essential vitamins and minerals for your health -- and how you can get them.