Vitamin D - Health Center

Vitamin D

By Refadoc, Posted on : Tuesday, 15 September 2015 - 10:46 am IST

Vitamin D

Vitamin D : Overview

Vitamin D is a vitamin which can be easily found in a few foods such as fishes (Tuna, Sardines, Mackerels and Herring) as well as in dairy products, juices as well as cereals. However, the body 80% need for this vitamin is fulfilled by sunlight.

Vitamin D has been used extensively for the treatment of rickets, weak bones, osteoporosis, and osteomalacia as well as bone loss. It is also used for preventing fractures in people with a low bone density. Some people use Vitamin D for the treatment of skin conditions such as vitiligo, scleroderma as well as psoriasis. It is also used for boosting the immune system of the body and to prevent cancer. Vitamin D in the form of calcitriol or calciprotiene is often applied directly onto the skin in order to treat Psoriasis. The basic function of Vitamin D is to regulate the amount of minerals such as calcium and phosphorus in the body. Sunlight is the best way to restore Vitamin D into the body. A mild exposure of the sunlight over the hands, feet, arms and legs is ample to refill the required amount of the vitamin needed by the body.

Uses of Vitamin D:

Vitamin D is used for the treatment of Osteomalacia, a condition which causes weakness and pain in the bones. It also increases the levels of the phosphates in the blood stream. Low levels of phosphate can lead to Fanconi Syndrome. It is used for the treatment of Rickets and helps to prevent the low calcium and bone loss in people who are suffering from kidney failure. Vitamin D is known to decrease the risk of Multiple Sclerosis and cancer as well. It reduces the risk of Rheumatoid Arthritis in women and prevents tooth decay in elderly.

Sources of Vitamin D:

Dairy products such as milk, cheese and yoghurt are the best sources of Vitamin D.  Apart from that, fishes like Tuna, Sardines, Mackerel and Salmon too are very rich in Vitamin D. Soy, milk, cereals, beef liver, cheese and egg yolk are the best sources.

Dosage of Vitamin D:

Orally, for people dealing with Osteoporosis or Fractures, a dosage of 400-1000 mg per day is recommended. The RDA for people across different age groups for Vitamin D is as follows:

1-70 years: 600 mg per day

71 years and above: 800 mg per day

Pregnant and Breastfeeding women: 600 mg per day

Infants aged 0-12 months: 400 mg per day


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