No matter how you look at it, zinc plays an important role in the function of most of our senses, which includes the ability to taste, smell, and also sight. Research has indicated that zinc can counter vision loss in the event of macular degeneration. A deficiency of zinc on the other hand can lead to dulling of the taste buds, along with the ability to detect scent. What many people don t know, is the fact that ginger root isn t really classified as a root, but instead an underground stem. Even though it is a very useful vitamin and supplement, it is harvested year round just like the hawthorne berry. The harvests, which are obtained roughly five months or so after being planted, are used in the creation of products such as candied ginger and ginger syrup. 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. There are other causes as well, although the above are the most common. Problems with the digestive tract can be improved quite a bit if you slowly increase your intake of nutrients. A diet that is high in organic matter is the preferred way to improve your digestion, although you may need to use supplements as well. If you use vitamin E and C together, you ll notice that scars and other harmful defects on your skin will start to heal as well. You can find vitamin C in many fruits and vegetables, although oranges will give you the most amounts. Orange juice is a great way to get your daily dose of vitamin C, as all you need to do is drink a few glasses of it a day. In the past, tablets and pills were the ideal way to take supplements. Although they were considered to be great, they wouldn t get into the bloodstream of the body fast enough, with some people just passing them through the body without reaping the benefits. With the market craving more and manufacturers looking for ways to make vitamins better, they decided to turn to liquid vitamins.