Vitamin D supplements are currently recommended at a dose of 600 international units (IU) per day by the National Institutes of Health (NIH), alongside a warning about potential toxicities if people take more.
But for some people, supplementing with what would be seen as a very high dose of vitamin D every day may reap health benefits rather than toxicities, experts suggest.
In 2019, board-certified internist Dr. Patrick McCullough published a report on the experiences of three patients who were taking high doses of 20,000 to 60,000 IUs of vitamin D daily for many years, all three of whom have since seen significant health improvements….