50,000 IU doses of vitamin D might not be such a great idea

A commenter (Blake) on a recent post directed my attention to Dr. Stasha Gominak's series of videos on her work treating sleep disorders with vitamin D. The videos run more than an hour, but here's a summary of some of her points. One of her points -- of course, not covered on the summary -- is that those whopping 50,000 IU vitamin D pills that some doctors give to their patients to take once a week are not as effective as taking it daily in smaller amounts. I'm not sure if she was referring to the fact that the majority of those 50,000 pills used to be in the D2 form, which is not as effective, or to a claim I've read elsewhere that past a certain dose, the larger…
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