Overview Toxicity of vitamin D

Graph of dose vs week


  • Thus the following are safe:
    2 million IU daily for 1 week,
    200,000 IU daily for 1.5 weeks,
    150,000 IU daily for 2 weeks,
    85,000 IU daily for 4 weeks,
    50,000 IU daily for 5 weeks
  • The toxicity reports are generally for Vitamin D monotherapy - at about 2 million IU total dose
  • Magnesium, Vitamin K2, and other COFACTORS will move the curve to the right
  • Also you need to reduce Calcium when having lots of vitamin D
  • True toxicity (with cofactors) is probably much higher than the monotherapy line on the chart

In most cases a doctor will just let the body remove any toxic amount of vitamin D by itself

  • Vitamin D DOES NOT accumulate in the body WikiPedia on Bioaccumulation
  • No medical procedure is needed. The body deals with the excess naturally

at very high levels the half-life of vitamin D is measured in days contains the following graphic
see wikipage http://www.vitamindwiki.com/tiki-index.php?page_id=3133

Toxicity of Vitamin D

From the web

   versus 3,000 deaths due to Tylenol

Institute of Medicine said in Nov 2010 that 4,000 IU is OK (upper limit of OK)

Graph of RDA and Upper Limit
IoM again fails to look at interactions - Nov 2010
Beware getting too much Calcium if taking more than 2,000 IU of vitamin D,

Many studies have shown: No toxicity <30,000 IU, <200 ng


Short url = http://is.gd/toxicvd

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