Vitamin is an important topic on health and {{U}}(1) {{/U}}. Vitamins are natural {{U}}(2) {{/U}} substances that we need in order to stay healthy. To get enough vitamins, we must vary our {{U}}(3) {{/U}} with many types of meat, {{U}}(4) {{/U}}, fruits and such the like. {{U}}(5) {{/U}} of vitamins is not a great problem, except for Vitamin B and C. Vitamin A is important for {{U}}(6) {{/U}} and eyes, and people lacking this vitamin may suffer from {{U}}(7) {{/U}} problems. Vitamin B is actually a group of many vitamins called the Vitamin B {{U}}(8) {{/U}}. It is necessary for regulating the {{U}}(9) {{/U}} system of the body and without it you may encounter {{U}}(10) {{/U}} and confusion. Vitamin C helps maintain a {{U}}(11) {{/U}} within the body that assists in the formation of teeth and {{U}}(12) {{/U}}. It is also good for boosting the {{U}}(13) {{/U}} system and is needed to absorb {{U}}(14) {{/U}} into the blood. The body can produce Vitamin D, when it is exposed to {{U}}(15) {{/U}}. Vitamin E is known to be an essential {{U}}(16) {{/U}} in over 20 vertebrate species. It also helps to carry {{U}}(17) {{/U}} in the blood. We need vitamins to maintain a healthy {{U}}(18) {{/U}}, but there is still controversy over the real effect of multivitamins or vitamin {{U}}(19) {{/U}}, and {{U}}(20) {{/U}} of vitamins can be potentially harmful to human health.