It is also interesting to note that since it is produced in the body, vitamin D is actually considered a hormone and not really a vitamin! Vitamin D is very important as it regulates the production of phosphorous and calcium in the body.

The Vitamin D that you purchased so willingly over the counter in the form of medication can actually be very harmful without supervision. You see, one of the forms of vitamin D, i.e. vitamin D2 is broken down by the body into different substances. Some of these substances can be very harmful for the body. Vitamin D3 is broken down by the body into a substance called calcitrol, which actually has very important cancer fighting properties.

The supplements for vitamin D may be made from either plants or animals. However, if you were looking for a vitamin D3 supplement, you would look for only those available through animal supplements. It is also available from lamb’s wool!

Vitamin D is frequently added to a number of foods, to make them beneficial. However, if you were looking for vitamin D3 in particular, you would have to go for a pill or a liquid form. It is not very common to find it in cereals or juices.

Read more: Difference Between Vitamin D and Vitamin D3 | Difference Between | Vitamin D vs Vitamin D3 http://www.differencebetween.net/science/difference-between-vitamin-d-and-vitamin-d3/#ixzz1A5BCOyjB

The dose of vitamin D to treat a flu is about 1,000 units per pound of body weight (2,000 units per kilogram). The dose would be taken once a day for three days; that\’s about 150,000IU a day for a 150lb. adult. This is the dose that Dr. John Cannell, founder of the Vitamin D Council, uses and recommends.
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