Over the years, studies have shown that fruits and vegetables which are organically grown are high in antioxidants, and boast a much higher concentration than those that have been produced commercially. In the busy world of today, it can be very tough to eat like we should, nor can we eat organic fruits and vegetables all the time. Although zinc is an essential vitamin for our bodies, taking too much of it can be a bad thing. Research has proven that taking more than 100 mg daily for an extended period can cause damage in the immune system. Older folks on the other hand, can benefit from taking zinc if they have a deficiency. The supplement can actually help older people bring their intake back up to the levels they should be at. The most common causes of deficiency include a poor diet, alcoholism, stress, a lack of vitamins, or medicine that interferes with your ingestion of vitamins. If you are always feeling tired or feeling a lack of energy, you are probably short on the vitamins that your body needs to have on a daily basis. Many times, you can have a lack of vitamins in your body, which will cause you to recover from diseases or injury very slow. If you have the right amount of vitamins and antioxidants in your body, you ll notice the differences. In most cases, you can get antioxidant supplements in the form of herbal or natural, which will greatly help your body. Over the years, studies have shown that fruits and vegetables which are organically grown are high in antioxidants, and boast a much higher concentration than those that have been produced commercially. In the busy world of today, it can be very tough to eat like we should, nor can we eat organic fruits and vegetables all the time. Exercise is also important to your diet and your health. Although supplements and vitamins will go a long way, exercise will do a lot for your body. If you exercise on a regular basis, and take the right supplements and vitamins with your diet, you ll notice that you have more energy and you feel better than you ever have in your life.