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Old 01-31-2010, 08:22 PM   #1
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Vitamin D levels

I was wondering if anyone has some info on suggested levels of Vitamin D for people with Hypothyroidism.
I just had mine tested after 1 year of taking 1,000mg of D3 every day. Here are my results.

Vit D 25 OH total was 41. reference range is 20-100
D3 was 41 reference range 20-100
vit D 25 OH, D2 was <4 unclear of th is optimal, no reference range given.

seems the total D looks like on the lower end of normal. should I be taking 2,000mg of vitamin D3?
thanks

 
Old 02-01-2010, 12:53 AM   #2
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Re: Vitamin D levels

You took 1000 mgs - 1 g of D3 a day That would be a gigantic amount Are you sure it wasn't 1000 IU which would equal 25 mcgs of D3? Any case you should be taking more - 25 mcgs is quite a small amount of it anyway. I take about 50 mcgs a day (going to have my levels checked later this spring).

Last edited by FinnMaid; 02-01-2010 at 02:09 AM.

 
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Old 02-01-2010, 07:43 AM   #3
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Re: Vitamin D levels

Mid-range is adequate (optimal?) I think I read that 50 is a good level. Overdosing on D3 is dangerous, so you shouldn't attempt to keep the level at the high end of its range.

My level was at the very bottom of the range. I began supplementing with 2000 units/day, which effected no change at all. After I began taking 5000 units, it rose to 51. My MD said to maintain my dose to keep it there. It all depends on how your body absorbs the supplement, how much sun you get, etc. My older digestive system likely doesn't absorb as well as a younger one, and I get little to no sun, especially in winter.

 
Old 02-01-2010, 07:44 AM   #4
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Re: Vitamin D levels

Quote:
Originally Posted by FinnMaid View Post
You took 1000 mgs - 1 g of D3 a day That would be a gigantic amount Are you sure it wasn't 1000 IU which would equal 25 mcgs of D3? Any case you should be taking more - 25 mcgs is quite a small amount of it anyway. I take about 50 mcgs a day (going to have my levels checked later this spring).


yes it was 1000 IU. sorry for the confusion and thanks for your help.
do you know the difference between vitamin d3 and emuslfied vitamin d? I was reading one of my thyroid books and it suggests emuslfied vitamin d.
thanks

 
Old 02-01-2010, 08:51 AM   #5
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Re: Vitamin D levels

The latest recommendations from the Vitamin D Council is 5000 iu daily of D3 for normal supplimentation for adults (2000 iu for children). I took 6000 iu for several months to get my levels up from in the 20s to the 60s.

D3 is the recommended type to take. D2 is a synthetic D promoted by the drug companies and isn't as bioidentical.

 
Old 02-01-2010, 09:23 AM   #6
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Re: Vitamin D levels

When I was deficient I took 50-75 mcgs (2000-3000 IU) a day and after a couple of months that had made my Vit D level rise from 28 to 69 (on a different scale - it would be best if my level was over 80 or so) so IMHO it's good to keep up with those levels when taking higher amounts of Vit D.

Last edited by FinnMaid; 02-01-2010 at 09:36 AM.

 
Old 02-02-2010, 05:45 AM   #7
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Re: Vitamin D levels

The synthetic Vitamin D2 has poor absorption, thus is not as potent or reliable as Vitamin D-3 and can even be toxic in large amounts.

 
Old 02-17-2010, 08:28 PM   #8
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Smile Re: Vitamin D levels

I had my Vitamin D levels checked for the first time last February (2009). Although my doctor didn't think I would be outside of the normal range, he believes in empowering patients to take control of their health and requested the lab work at my urging. According to his nurse, he prefers to see his patients around 45. Mine was 8.2 and he prescribed one weekly dose of 50,000 IUs of Vitamin D. After 2 months I was retested and I was up to almost 60 and advised to take 1,000 daily IUs to maintain. However, I believe my levels may be low again as I am beginning to feel the way I did prior to beginning my once-a-week regimen. But tomorrow I'm off to the internist again for another annual and more lab work.

 
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