Why You Need Vitamin D


With Dr William Grant

In this month’s podcast, I’m talking to my ‘go to’ guy for anything to do with vitamin D. For more years or decades than I care to remember, Dr William Grant has been the ultimate vitamin D ferret, squirreling away all the studies, digging deeply into the mechanisms, and working closely with the Grassroots health Initiative – which we’ll talk about – and being the ‘informant’ for ultimate digital resource www.vitaminDwiki.com.


William Grant is the Founder and Director of Sunlight, Nutrition and Health Research Center, San Francisco. This is a non-profit organization devoted to research and education regarding diet, UVB exposure and vitamin D for reduced risk of chronic and infectious diseases.