A deficiency is never a good thing, as it normally results in skin problems, increased infections, and even night blindness as well. 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. Other symptoms include mental and emotional stress, chapped lips, and other annoying or painful habits. The most common causes of deficiency include a poor diet, alcoholism, stress, a lack of vitamins, or medicine that interferes with your ingestion of vitamins. 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. Even though vitamin B3 niacin is great as a stand alone supplement, it should also consumed with foods that contain protein, due to the fact that the body is able to convert the amino acid known as tryptophan into niacin. The higher doses of B3 niacin, which are available only through prescription, have been proven to prevent and also improve a variety of different symptoms and ailments. If you include supplements in your diet and take them correctly, you ll find that your body will be much healthier. There are many different vitamins and supplements that you can take, although they will depend on what you are trying to achieve. You should always research a vitamin that you are interested in taking, and make sure it fits your needs before you decide to purchase it. 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. 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.