3 ms·

Mark Hyman made post on it(he is Hillary Clinton’s doctor): https://drhyman.com/blog/2010/08/24/vitamin-d-why-you-are-probably-not-getting-enough/ https://drhym

• dhimes 8y ago
  That's a good read. He says you can go high (10000 IU/day) for 6-10 months, under doctor's supervision, then cut back down 2000-4000/day. This also makes sense from the perspective that it's fat-soluble, so you should be able to "fill up the tank" as he puts it.