There are studies however, that have proven vitamin E to be very effective in protecting the skin against UV rays. Vitamin E has been shown on numerous occasions to shield the skin from the harmful rays of the sun, which as we all know, can lead to skin cancer. If you include sources of vitamin E, or supplements in your diet you can help to prevent the damage of UV rays to your skin. Keep in mind that you should never replace food with vitamins, as they are more less meant to give you additional nutrients and minerals. Anytime you aren t able to eat the right food, you should always turn to vitamin supplements to give your body what it needs. Supplements and vitamins are one of the best investments you can make, as everyone needs vitamins in their body. No matter what you choose to eat, you still won t get the vitamins and nutrients you need. If you have any type of restrictions with your diet, it can be even more difficult to get the vitamins and nutrients you need. Those who suffer from food allergies especially, find it even harder to get the right amount of vitamins. If you have any type of heart or other serious medical condition, you may not be able to take the vitamin you are interested in. For this reason, you should always consult with your doctor and ask for his advice. After a few tests and exams, your doctor will be able to tell you what type of vitamins you should or shouldn t take. If you don t consume the right nutrients, you won t be doing your heart any favors - and may end up having problems later on in life. The first vitamin that comes to mind for most people is vitamin E, a vitamin that is essential to improving the overall health of your heart. When taken correctly, vitamin E will stop the cholesterol in the body from harming the arteries that surround the heart. There are many people who say that carrots provide enough vitamin A to prevent you from getting night blindness. The fact is, ancient Egyptian doctors prescribed liver in their time, which they said contained enough vitamin A to combat night blindness. Vitamin A is also known as an antioxidant, which makes it ideal to prevent cancer and anti aging.