Opinion: Too Much Vitamin D Can Be Damaging.

” writes that vitamin D, “one of the few vitamins we can make on our own,” is now outselling “all other supplements” because of “confusing science and misinformation.” Price explains that vitamin D is essential to good health, but that it is unclear how much we need and that too much can be damaging. Price explains that the Institute of Medicine recommends that healthy adults should have 600 IU per day, but many experts say that recommendation is too low. http://www.latimes.com/opinion/op-ed/la-oe-price-vitamin-d-20160516-snap-story.html