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Hypothesis by VitaminDWiki – Vitamin D levels are no longer limited by evolution

The health problems of getting excessive vitamin D from the sun/UVB are well known

  1. Increased skin cancer
  2. Excess calcium Death by Calcium, book by Thomas Levy – Dec 2013
  3. Wrinkles and UVB and Overview UV and vitamin D

The benefits of getting more vitamin D are also well known Proof that Vitamin D Works

Evolution found a balance between the benefits and risks in a very sunny climate: 50 ng

Is 50 ng of vitamin D too high, just right, or not enough
Chart of Vitamin D levels vs race - April 2013 has the following
Vitamin D vs Race at is.gd/vitD_race

With supplementation we have an opportunity to increase vitamin D levels beyond evolutionary limits
   – provided we balance the cofactors and avoid excess sun/UVB

Low cost cofactors for vitamin D
Increased Vitamin K2 reduces the problems of excess Calcium – Nov 2013
Decrease Calcium and Increase Magnesium when increasing vitamin D has the a notional chart
see wikipagehttp://www.vitamindwiki.com/tiki-index.php?page_id=1936

How much is "optimal"? We do not know, but there are some interesting clues

GrassRootsHealth chart shows that a wide variety of health problems decrease with increasing Vitami D levels
derived from Grassroots 2013

Increasing number of PubMed articles about "Optimum Vitamin D"

Optimal Vitamin D - PubMed

Personal note: My vitamin D level is typically above 100 ng

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