Scientific research is showing the impact of Vitamin D on various health conditions.  Presented below are some of the recent research articles and other materials.  See also the separate research pages for research on specific health areas, including cancer, arthritis, multiple sclerosis, and various others:

Video on Multiple Sclerosis, and many other health conditions:

Sleep & Vitamin D

Dr Gominak, a sleep specialist, says, "To sleep normally the vitamin D blood level must be 60–80 ng/ml.

Important Vitamin D Studies 2015 

PMS

RESEARCH ARTICLES, WITH SELECT QUOTES
click on buttons for quote source and Full Research documents and articles.

eyesight - macular degeneration

Microbiome

Our intestinal bacteria need Vitamin D to thrive. They use the Vitamin D that we make on our skin, passed down to them in the bile.
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