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Woody's avatar

Thanks Peter for making this issue freely available!

Was it Scotland that started a Vitamin-D program of 400 IU last year? https://www.gov.scot/publications/vitamin-d-advice-for-all-age-groups/

At the time it was thought the dose seemed rather useless, but the study you mention supports the use of even a light dose.

It has taken me five years to finally have our public medical system in Canada not refuse the requisition to test my levels and only after convincing my GP that I qualified, checkmarking the osteoarthritis reason. I have daily been taking 5000 IU of Vitamin-D along with K2, stopped one week prior to blood withdrawl for the test with a test result of 125 u. Their acceptable range is 50-200. So within their range but nowhere near their upper bounds. This supports the suggestion that individuals have different absorption rates. Perhaps as we age, our ability to absorb Vitamin-D also changes.

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Peter Imanuelsen's avatar

Interesting. In Norway my doctors have had a standard procedure to test me for vitamin D almost everytime I visit. And I was low, so the doctor prescribed double dose of it.

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