vitamin d metabolism/synthesis

[kolakao]

I wonder how much potent version of vitamin d we can obtain from Cholecalciferol (which is usually called vitamin d, which we are buying as a diet supplement).

This is a Cholaciferol metabolism:

Cholecalciferol---->calcifediol (25-hydroxyvitamin D3)---->calcitriol (1,25-dihydroxyvitamin D3)

Calcitrol is the most potent of vitamin d version and is on top end of its synthesis.

My question is: If I took once 5000 IU of cholaciferol, how much calcifediol will be made, and how much calcitrol will be made ?
How long those 5000IU will be floating in my organism (How long will take to metabolise all cholaciferol to calcitrol)?

If available please attach reffernces. Thanks !

 

[Driven2lift]

Why worry yourself over those specifics?

I ask because nothing can really be done with the knowledge

The studied effective doses, and their effects/studies, are all I would concern myself with.


If you are just the curious type, maybe take some online courses, you can find free readings for everything, biochem included.

 

[Aleksandar37]

In to see if somebody else does the math homework

 

[bighulksmash]

16 hrs is the half life http://mobile.nutraingredients.com/Research/Vitamin-D-has-longer-than-expected-half-life-Tests-may-not-show-true-plateau

I personally can't answer the chemistry part but heres a little info.