The Vitamin D12 Mystery – What’s the Deal With It?

I wanted to find out myself what the deal was with vitamin D 12, as I never heard about it before. At the same time, per the keyword tool, over 360,000 people search for it every month. I became very curious myself, so I did a search, spent about 45 minutes looking through the search results one by one.

What did I find? There was a person saying in a forum that her doctor prescribed her vitamin D 12, but she never heard about it. She was wondering if it was supposed to be B12, but was misspelled and was asking if anyone heard about it. No one answered the thread.

Other than that, all of the other articles were just lame attempts to get people to read their articles. It said “D 12” in the title, but then the article suddenly started to talk about B12 or Vitamin D. I was not able to find any proof of the existence of such a vitamin.

I was wondering if this was some kind of a mistyping, but “D” is so far away from “B” that not even the worst typist would mess this up accidentally. My opinion is that it is very unlikely that they mean B12, otherwise known as Cobalamin, which is needed for the processes to convert the carbohydrates, fats and proteins from food into energy and helps keep the red blood cells healthy and therefore prevent heart disease as well as keeping the immune system functioning at its maximum level.

My next idea was that it could be a D vitamin, and someone mistyped the number. Per my research, vitamin D is available in two forms, D2 and D3. Vitamin D2 is manufactured of yeast by UV radiation, and vitamin D3 is manufactured by the radiation of lanolin and the chemical conversion of cholesterol. The two forms metabolize differently, Vitamin D3 is more than three times as effective as vitamin D2.

The Vitamin D you get from the sun, food, and supplements is biologically inactive and it must be activated by the body. First the liver converts vitamin D to 25-hydroxy-vitamin D, also called calcidiol. Then the kidney forms the active 1,25-dihydroxy-vitamin D, also known as calcitriol. Maybe this is what some people call D12…

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