Vitamin D toxicity is more common in people with certain ... side effects with higher doses—mainly weekly a 20,000 to 50,000 international unit (IU) dosing. The 50,000 IU weekly dose is the ...

Numerous case studies have reported kidney complications related to excess vitamin D intake. For example, a 65-year-old male took injections of 50,000 IU of vitamin D per week for one year.

Toxicity is unlikely if you take less than 10,000 IU of vitamin D per day, but cases have been reported in adults taking doses ranging from 50,000 to 60,000,000 IU per day over the course of ...

A small 2019 study of people with generalized anxiety disorder who also had low levels of Vitamin D found that weekly doses of 50,000 International Units (IU) for three months reduced the severity ...