There are many doctors that have said in the past that vitamin E can indeed prevent cancer, although no documentation or proof has been given to back up such statements. We all know that it is a very important vitamin, regardless. There are studies however, that have proven vitamin E to be very effective in protecting the skin against UV rays. Those who can t get the minerals and such they need from food, turn to vitamins and supplements. With vitamin supplements being a big business, there are many manufacturers to choose from. Each year, there are thousands of supplements out there, with customers spending billions and billions of dollars to get the supplements and vitamins they need. The best sources for vitamin B3 niacin include beef, pork, turkey, beets, veal, fish, chicken, salmon, tuna, and peanuts. You can also get supplements that contain B3 niacin as well, which can give your body the amounts it needs. This is a very important vitamin, as it does a lot more for the body than most think. 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. Even if you have a small appetite, you can be at a major disadvantage to getting everything your body needs. 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. Overall, this is the easiest way that you can be sure you aren t damaging your heart, especially if you have had a heart attack in the past. If you have a history of heart disease or heart problems in your family, these vitamins are essential to your diet. Even if you are just concerned about the health of your heart, these vitamins will give you the peace of mind in knowing that you are eating for a healthy heart.