Vitamin D2 reduced the Vitamin D3 by half – Feb 2012.

Vitamin D3 but not D2 reduces mortality – Cochrane meta-analysis July 2011Ħ% relative risk REDUCTION of mortality when supplementing with vitamin D3 Ģ% relative risk INCREASE of mortality when supplementing with vitamin D2.

Primates Nutrient Requirements – 2003 ALL primates need D3, not D2.

Vitamin D3 for Vegans - Oct 2011 lichen, etc.

Vitamin D2 loading doses did not increase, and may have decreased blood levels– June 2011.

Vitamin D2 decreased vitamin D3 levels in the blood – Feb 2011.

Following large doses of vitamin D2, Vitamin D3 doses were unable to achieve sufficiency – Jan 2014.

Hemodialysis not helped by weekly vitamin D2 – RCT April 2015.

10 million IU of vitamin D3 for cows was great unless had vitamin D2 – July 2011.

Chance of a fall decreased with vitamin D3 but increased with D2 – Oct 2011.

MS worse with Vitamin D2 - Oct 2011 high dose of D2 resulted in worse MS than low dose.

Vitamin D3 is much better than D2, especially if not taken daily – meta-analysis June 2012.

Vitamin D2 decreased blood levels of Vitamin D3 by 12 ng – RCT July 2012.

Vitamin D3 increased and Vitamin D2 decreased the D3 serum levels – RCT Sept 2013.

Vitamin D2 actually decreased vitamin D3 levels – RCT Nov 2012.

Note: some multivitamins and milk/food fortifications still use D2, sut in such low quantities that it can be ignored. Vitamin D2 is only available by prescription

Hint: if you can buy it, it is Vitamin D3. Several recent studies have shown that vitamin D2 actually reduces the levels of D3 in the bloodĪND, worse still, D2 actually INCREASES a health problem, instead of reducing it, the way vitamin D3 does The D3 form has been known for many decades, but the medical profession has not yet adapted - after all, only 20,000 papers on D3 so far. Vitamin D2 was the first to be discovered and, until 2011, was the only one that most doctors could prescribe Vitamin D2 has been known for a long time to not be as good as vitamin D3 Why are doctors reluctant to accept Vit D.Antibiotics health problems are eerily similar to those due to low Vit D.What might stop you from starting Vit D.

Vit D levels dropped by half in 20 years.Health Problem about 10X more likely if low Vit D.If born in wrong season need more Vit D.Receptor gene can limit Vit D actually getting to cells.Health Problems and Vit D (left column).

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