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Thread: D-3 Summer v Winter Dosage page

  1. #1
    IvyBlue's Avatar
    IvyBlue is offline Senior Member
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    Oct 2010
    Seabrook, NH

    D-3 Summer v Winter Dosage

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    Hard to believe I was roasting in the sun and swimming in Maine just 2 weeks ago with snow in the forecast for Thu night. So as the clocks change here in the northern hemisphere and the daylight dwindles what do folks that supplement vitamin D do as far as dosage? Amt. +/-/=?
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  2. #2
    pyro13g's Avatar
    pyro13g is offline Senior Member
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    Apr 2011
    Same dose all year for me. 5000iu. I'm in NE Ohio. There are other things that can affect D levels so I stay on the same amount all year.

  3. #3
    IcarianVX's Avatar
    IcarianVX is offline Senior Member
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    Nov 2010
    Colorado Springs, CO
    I do the same as pyro - 5000iu/day regardless of being out in the sun or not.
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  4. #4
    Shijin13's Avatar
    Shijin13 is offline Senior Member
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    Oct 2010
    I was taking 10,000IU last year but I needed that I know my VitD3 25-hydroxy came back at 117ng/ml I'm back to takign 5000 IU daily... i tried every other day and Didn't feel well... I'll retest in Jan to see where I'm at then...and re-adjust!
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  5. #5
    duckmama's Avatar
    duckmama is offline Senior Member
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    Dec 2010
    My naturopath has me on 4,000 IUs and will test my levels by late winter.

  6. #6
    dado's Avatar
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    i double it in the winter

    whatever it is, you double it, do not worry about this

  7. #7
    primalrob's Avatar
    primalrob is offline Senior Member
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    Jun 2010
    Manchester, NH
    i do 15,000 iu in the winter...and 10,000 in the summer months depending on how much sun i get. you'd have to be throwing back a handful of supplements to overdose, so don't be afraid to go for a big number if it keeps you healthy and feeling good.

  8. #8
    Grizz's Avatar
    Grizz is offline Banned
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    Sep 2010
    I do 10,000 IU Daily all year. But I work indoors & I don't get much direct sunshine. However when I feel a chest cold starting, I immediately double to 20,000 IU until it passes. Ditto for a sore throat, or any other illness.

    You can get very inexpensive Vitamin D3 testing either at home $65 or at a nearby lab $50. Details below the line.

    The main factor is how much direct sunshine do you get ( NO Sunscreen ) in the summer. If you get enough, you don't need any D3 supplements.


  9. #9
    tradawg's Avatar
    tradawg is offline Senior Member
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    May 2010
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    I don't take any in July and August when I get plenty of sun.....6000iu the rest of the year.
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