10,000 IU presents other problems according to Mayo Clinic, known for its bias against vitamin D. I personally think 5,000 per day is sweet spot for most people for most of the year but many people can benefit from 8,000-10,000 IU during the 3-4 months with least amount of exposure to the sun.
10,000 IU presents other problems according to Mayo Clinic, known for its bias against vitamin D. I personally think 5,000 per day is sweet spot for most people for most of the year but many people can benefit from 8,000-10,000 IU during the 3-4 months with least amount of exposure to the sun.