My endo drew blood for a vit D test on 25 Sept which has come back at 43.5 nmol/L. As I didn't know when I'd get these results, I got a home kit and did the test on 1 Oct which came back at 85.5 nmol/L. I had been supplementing with 5000 IU D3 daily (together with K2) as I had felt my levels were low but can't understand how the results were so different only a week apart as I had understood that it takes a while to raise these levels. Is this normal?

Asked by  hunny5952569400 on October 8, 2015

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  • hunny5952569400
    Participant
     hunny5952569400 on

    See title

    Answered by  hunny5952569400 on

  • IAW
    Participant
     IAW on

    I am not sure I can answer your question but can I ask the following? How long have you been supplementing for, meaning when did you start taking the 5000iu? (Sept 25?) What time of day did your doctor take the blood work? Had you already taken the 5000iu that day or not? When you did the at home test when did you take it and again had you already taken the 5000iu?

    Answered by  IAW on

  • hunny5952569400
    Participant
     hunny5952569400 on

    Apologies for not supplying all this info. I didn’t want to ramble too much. I started D3 on 11 September at 1000iu/day and increased to 3000iu/day on 23 Sept. The day of the endo blood draw (25 Sept) I took the D3 at about 6.30am, the blood was drawn at 12.30. I increased the dose to 5000iu/day (and started with K2) on 28 Sept. On the day of my own test (1 Oct), I took it again at 06.30. It was a finger prick test and I carried it out at around 17:30. I hope this is enough information 😐

    Answered by  hunny5952569400 on

  • IAW
    Participant
     IAW on

    I think there might be a difference between lab values and the “test kits” but someone else will have to confirm or deny this. Check back over the next week to see if someone can give you the answer.
    Other than that everyone is different. So I would not worry about it. You still have a little ways to go to reach the optimal of 125 nmol/l. I do not know what your doctor wants you to do but maybe take the 5000iu everyday for another 3 months then test again if possible to make sure you did reach 125nmol/l. Don’t forget the upper end of the level is 250 nmol/l and science already knows that 375nmol/l is safe.

    Answered by  IAW on

  • hunny5952569400
    Participant
     hunny5952569400 on

    Thanks very much! If it was left up to my doctor, I’d end up circling the drain – the endocrinologist thinks that 43.5 nmol/L is “normal and reassuring”. It’s sites such as this which keep people like myself informed, sane and healthy and I am extremely grateful. πŸ™‚

    Answered by  hunny5952569400 on

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