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. 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 take some nutritional supplements on the other hand, your body won t miss any of the important vitamins and minerals it needs. No matter how you look at it, nutritional supplements are great for many things. You find them in your local GNC or nutrition store, or online. There are many different supplements to choose from, giving you everything you need to get the right nutrients and vitamins. Although calcium supplements are ideal for promoting bone and teeth growth and health, you should always make sure that you can take them before you make the purchase. Those who suffer from lung disease, kidney stones, stomach problems, or diarrhea should always consult with a doctor first to make sure that calcium supplements won t make things worse. Folic acid is a B vitamin that has been proven to increase energy levels. Even though you can look for vitamins that provide energy, it would be in your best interest to find those that can be effective with fighting fatigue as well. There are vitamins, nutrients, and supplements that are great for fighting fatigue and helping the body stay alert. They can also tell you which supplements are ideal to your health, and which ones you should include in your diet. Different people will have different needs and requirements, making it essential to get advice from a qualified professional. If you get the advice from a professional, you ll know what you can add to your diet.