All vitamins are important for normal healthy growth in children. In this article you will find all information about vitamin A and D.
Other vitamins or fat soluble vitamins: These are essential for right growth and development of the body, but required in the very small amount. These vitamins can be synthesized or prepare inside the body therefore there deficiency level is found in less amount. If you had good amount of source then it can not be deficient for long time. The first other vitamin is Vitamin A. This is very important in vision.
- This helps in fighting with infections and improves tissue and skin texture when taken in the proper amount.
- It also helps in maintains of normal eyesight and night vision (night blindness)
- It also used in synthesis of RNA, which is an essential genetic material.
There are two types of Vitamin A from natural sources. Performed vitamin A found in animal foods. It can be toxic if it consumed more than a normal amount and Carotene, the other type of vitamin A, found in vegetables and is non toxic in high amounts. Carotene is easily absorbed by the body, when vegetables and fruits are cooked, mashed or puréed.
RDA (Recommended Dietary Allowance) amount of Vitamin A is:
0 to 6 months = 1400 units
6 to 12 months = 2000 units
1 to 3 years = 2000 units
Foods rich in Vitamin A : Yellow and all green leafy vegetables and all fruits.
1/6 cup cooked carrot contains 2500 units.
1/5 cup cooked sweet potato contains 2550 units.
1/3 cup ripe Papaya contains 1765 units.
Deficiency: Reduced resistance to respiratory infections
- Growth retardation is a common sign in children
- Dryness of the conjunctiva and cornea
- Increased susceptibility to infections
- Abnormal growth of the skin is common
- Poor night vision
- Dry, rough, or cracked skin – eczema, acne and psoriasis can respond to vitamin A treatment
- Dry mucous membranes including the inside of the eye
- Poor night vision
- Slow wound healing
- Nerve damage
- Reduced ability to taste, hear, and smell
- Inability to perspire
Generally this vitamin synthesized or prepared during early morning sunshine, especially sunrise time. It is available in vitamin supplement tablets or syrups as well. But overdose may lead to toxic problems in the body. Trace amount of vitamin D found in breast milk and cow’s milk.
Role of Vitamin D
- This vitamin is essential for the calcium absorption, that’s why it is added to cow’s milk and other products.
- Body needs phosphorus with combination of Vitamin D, gives healthy bone and teeth formation in childhood.
- Research suggests that low levels of vitamin D increases the risk of developing type two diabetes later in life. Some studies have also found that the vitamin D also increases the risk of type 1 diabetes.
- RDA value is 400 IU (International Units) from birth to an adult.