That article is so weird: > Of course, there is a selection bias in who comes to me. There are people out there doing just fine on 5000 units of Vitamin D dail

That article is so weird: > Of course, there is a selection bias in who comes to me. There are people out there doing just fine on 5000 units of Vitamin D daily. I only see the ones who develop high calcium levels. But I see enough of them to know that this is not an exceptionally rare occurrence. I have been to lectures in which physicians have claimed that Vitamin D toxicity almost never occurs. In my experience, this is false. I have seen many cases of Vitamin D toxicity in people who were taking the recommended dose from an over-the-counter bottle. She is an extremely specialized professional who is referred and treats people with this condition. Of course it's not rare in her experience! For all we know, she could be one of a hundred parathyroid specialists in the country, and only 1 in 100000 people who take Vitamin D get Vitamin D toxicity. The author should really provide some evidence on how common this is.