1. Vitamins By Jake T. and Jake C.

2. Role and Sources of Vitamin A The primary role of vitamin A is to help build healthy eyes and for growth and bone development while its many other functions include aiding reproductive functions; its anti carcinogenic and antioxidant properties; preventing and treatment of skin disorders and aging of skin; promoting the growth of strong hair, teeth, skin, and gums and stimulating immunity. Vitamin A comes from animal sources such as eggs, meat and dairy products.

3. Where Vitamin A is stored A vitamin that is stored by the body is known as a fat soluble. Over time fat soluble vitamins can build up to toxic levels. Fat soluble vitamins are commonly stored in special fat storage cells called lymphocytes. Water soluble vitamins can not be stored by the body and must be replenished every day. Vitamin A Deficiency Vitamin A deficiency in developed countries is extremely rare, especially since most of those individuals are eating enough fats and, hopefully, enough fruits and vegetables.

5. Sources of Vitamin B1 Thiamine is found in a wide variety of foods at low concentrations. Yeast and pork are the most highly concentrated sources of thiamine. Cereal grains, however, are generally the most important dietary sources of thiamine, by virtue of their ubiquity. Of these, whole grains contain more thiamine than refined grains, as thiamine is found mostly in the outer layers of the grain and in the germ. Also Vegemite Role of Vitamin B1 All living organisms use Vitamin B1 in their biochemistry, but it is synthesized in bacteria, fungi and plants. Animals must obtain it from their diet in order to function property.

6. Facts about Vitamin B1 Vitamin B1, also called thiamine, is one of eight water-soluble B vitamins. Since these vitamins are soluble in water they are dispersed throughout the body dissolved in fluid. They are not stored in the body to any appreciable extent and must be replenished every day. Their influence on the body lasts for 14-18 hours after ingestion after which their potency decreases. An excessive intake of water-soluble vitamins is typically passed out through the urine. If the diet contains less than 50% RDA of water-soluble vitamins, symptoms from deficiencies may be displayed in as little as 4 weeks; much quicker than for fat-soluble vitamins.

7. Recommended Daily Intake of vitamin B1 The recommended daily intake of Vitamin B1 is around 1.4mgs. Although test show that people who have more than 50mgs increase their mental capacity. vitamin B1 deficiency Thiamine deficiency can lead to severe fatigue ,organ problems and in extreme cases it can even lead to death.

8. Vitamin C

9. Source and role of vitamin C A wide variety of food exists that contains vitamin C. A well-balanced diet easily obtains the DRI for vitamin C. It is widely known by the general public today that the best sources of vitamin C are citrus fruits and their juices. Fruits with a high vitamin C content include, but are not limited to oranges, lemons, peaches, strawberries, bananas and grapefruit.

10. Recommended Daily intake Of Vitamin C The recommended daily intake of vitamin C ranges from 45 to 95 mg/day. Vitamin C deficiency One of the common diseases of Vitamin C deficiency is scurvy. Scurvy is a deadly diseases which destroys most of you bodily tissue and can also lead to depression.