See also Mortality Overview Toxicity of vitamin D
Did you know?
- Too much Vitamin D appears to be a bad thing in some cases
- See: Is too much vitamin D bad – possible causes and cures
11 possible reasons as of Oct 2017 - examples of imbalances- too much Calcium, Vitamin A,
- too little Vitamin K, Magnesium
(More Too Much D info below this box)
Learn how Vitamin D is essential for good health
Watch a 5 minute video "Does Less Sun Mean more Disease?"
Browse for other Health Problems and D in left column or here
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If you have a disease associated with low Vit D take Vit D
Raising your Vit D levels will substantially prevent other low-Vit D health problems
Proof that Vitamin D Works Getting Vitamin D into your body
Books and Videos
Reasons for low response to vitamin D Why are doctors reluctant
Cancer studies include: Breast
Colds and flu Dark Skin
COVID-19 treated by Vitamin D - studies, reports, videos
10 most-visited pages in Too Much D
Items in both categories Too much D and Vitamin A are listed here:
- Vitamin D is good, but must balance Vitamins A and K2 to prevent Calcification – Masterjohn Aug 2014
- Vitamin A interferes with vitamin D and may be the cause of U shaped relationships – April 2014
- Vitamin A may hinder vitamin D benefits associated with Lung Cancer – July 2013
- 7 X more likely to get hip fracture if have highest level of vitamin A – Jan 2003
- 2X more complications after heart surgery associated with high level of vitamin D – Jan 2013
- Vitamin A and dioxin-like compounds in fish liver, etc may block vitamin D – July 2012
Items in both categories Too much D and Vitamin K are listed here:
Items in both categories Too much D and Magnesium are listed here:
Items in both categories Too much D and Cardvascular are listed here:
Here are all of the Too Much D articles
- wiki page:
- 10,000 IU of Vitamin D is too much if you also take Calcium supplements – RCT Sept 2018
- Vitamin D toxicity problems from 600,000 IU weekly for 6 weeks – July 2017
- Elderly should not have more than 40 ng of vitamin D (if infrequent dosing or fail to adjust cofactors) Aug 2017
- Increasing number of people admitted to a hospital in India have very high vitamin D – Oct 2016
- Does too much Vitamin D cause problems – possible for allergies, maybe for falls – Review June 2016
- Diabetic neuropathy least likely if have 30-40 ng of vitamin D – Oct 2015
- Vitamin D - Comparing Symptoms of Hypercalcemia with Low Magnesium - Sept 2015
- Too much D
- Vitamin D increases mineral availability which protect against toxic elements - July 2015
- Too much Vitamin D
- Infant psychomotor development has a U shaped relationship with vitamin D cord blood levels – April 2015
- 1 in 6 critically ill in India have high levels of vitamin D (100 ng) – March 2015
- Vitamin D is good, but must balance Vitamins A and K2 to prevent Calcification – Masterjohn Aug 2014
- Vitamin A interferes with vitamin D and may be the cause of U shaped relationships – April 2014
- Low testosterone is associated with levels higher than 40 ng of vitamin D (U-shaped)– July 2014
- Fertility in both women and men improves with more vitamin D (but less than 50 ng for men) – Dec 2013
- Is too much vitamin D bad – possible causes and cures
- Increased chance of death if enter hospital with vitamin D greater than 60 ng (u-shaped) – April 2014
- Increased mortality if more than 100 ng of vitamin D – not much detail – April 2014
- Even if a J curve exists, it is 50X better to give vitamin D than not give it – May 2013
- Vitamin A may hinder vitamin D benefits associated with Lung Cancer – July 2013
- 7 X more likely to get hip fracture if have highest level of vitamin A – Jan 2003
- 2X more complications after heart surgery associated with high level of vitamin D – Jan 2013
- Is High Dose Vitamin D Harmful – Dec 2012
- Mortality increased with highest levels of vitamin D – article and 4 letters Aug 2012
- Vitamin A and dioxin-like compounds in fish liver, etc may block vitamin D – July 2012
- Vitamin K2 and the Calcium Paradox – 2012 book
- Vitamin D and Pancreatic Cancer Risk - No U-Shaped Curve - Mar 2012
- Is 50 ng of vitamin D too high, just right, or not enough
- Frailty and vitamin D – U shaped curve – Dec 2010
- Increased TB if less than 30 ng or greater than 56 ng of vitamin D – June 2010
- 50 percent more elderly deaths when vitamin D under 18 ng or over 40 ng – Aug 2010
Too much D
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