Funk was the first to discover vitamins as we know them today, although vitamin A was actually the first one discovered, hence the letter A in the title of the vitamin. You can find vitamin A in natural foods such as oranges and yellow fruits. It can also be found in vegetables as well, such as spinach and fats. Anyone who takes a zinc supplement should take it as part of a well balanced diet, to ensure that other vitamins and minerals work together with the zinc. With most dietary supplements in the U.S. being unregulated, you should always choose a manufacturer who is GMP compliant. Manufacturers that are GMP compliant will always follow the manufacturing standards of zinc, in order to minimize and quite possibly eliminate the risk of contaminants that you could be getting from the supplement. If you get your blood too thin, it may lead to medical problems later on in life that can prevent you from doing the things you love. With any vitamin that you take as a source of energy, you should always consult with your doctor. 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. Although pill and tablet vitamins can give you what you need, they don t deliver the vital nutrients your body needs quick enough. Liquid vitamin supplements gets into your bloodstream and your body fast, proving to be effective in a fraction of the time. Liquid vitamin supplements can also help you to improve your health and live a better life. If you can t or don t have access to organic fruits or other sources of antioxidant foods, you should look into nutritional supplements that offer you the phytonutrients you need in your diet. Supplements that contain phytonutrients do have advantages when compared to certain fruits, such as carrots - which can elevate your blood sugar level to a very high level. Cholesterol, which is a fatty substance found in many foods, is absorbed by the body then transferred from the liver to be stored by tissue as fat. This is carried through the bloodstream by molecules known as LDL (Low Density Lipoproteins). When the LDL is oxidized, it reacts to the cholesterol and a fat substance known as plaque begins to get deposited on the artery walls, which causes the blood flow to stop.