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by refresher 2107 days ago
>3. Act in moderation. Low to moderate doses of Vitamin D (e.g. 400 to 2000 IUs daily) have proven to be safe in trials. If you think there is a benefit and we just don't have enough data to prove it yet, you may be right. We do know the harms of taking too much, though, so supplement in moderation. And if you are taking Vitamin D, ask your doctor to check your blood levels.

I'll probably carry on with this then. I was taking a single 4000 IU pill every four days (which was the suggested dosage) but once a week for around 570 IUs a day should be fine. Frankly I hate blood tests and don't believe I'm D deficient, so I'd rather take a lower, even if useless, amount.