Table of Contents (click to expand)Why Do We Need Vitamin D?Where Do We Get Vitamin D?Mushrooms Produce Vitamin DWhy Should We Expose Mushrooms To The Sun?Conclusion Just like our human skin, mushrooms can also produce vitamin D when exposed to UV rays. When exposed to the sun or artificial UV light, mushrooms increase their vitamin D content and retains the heightened level even after more than a year of storage. Mushrooms are widely consumed and considered to be a good source of vitamin D, ...