A prolonged deficiency in vitamin A can put you at a risk for cancer as well, and you ll also miss out on any effects of anti aging that the vitamin might have. Although you should begin taking it immediately if you have a deficiency, the effects wouldn t be the same as they would be if you stayed up to date with the right amount on a daily basis. Nutrition and proper dieting is a very important part of life, therefore you should always keep your health under control and make sure you eat well. There are non synthetic supplements out there as well, that are ideal for keeping your health maintained. They can be easily absorbed by your body, unlike that of synthetic supplements. If you are always feeling tired or feeling a lack of energy, you are probably short on the vitamins that your body needs to have on a daily basis. If you visit your doctor and tell him the problem, he will probably recommend vitamins and supplements that will give you want you need. Whatever you do, you should never overdo it and try to catch up on what you ve been missing - as this will do you more harm than good. In the busy world of today, it can be very tough to eat like we should, nor can we eat organic fruits and vegetables all the time. 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. 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. Nutritional Supplements For many years, people have been talking about and taking nutritional supplements. What started out as natural herbs, has now grown into a trend that people use on a daily basis. These days, you can find supplements more sophisticated than ever, available in many different forms such as liquid, capsules, pills, and teas.