12 Ways to Get Your Daily Vitamin D
Just like humans, mushrooms have the capacity to produce vitamin D when exposed to ultraviolet light.
Mushrooms, however, are usually grown in the dark and don't contain the vitamin. Specific brands, however, are grown in ultraviolet light to spur vitamin D production.
Check to see if vitamin D–rich 'shrooms, like Dole's Portobello Mushrooms, are available at a store near you. They're perfect for vegetarians looking for plant-based foods that contain the vitamin. Dole's portobellos will give you 400 IUs of vitamin D per 3-ounce serving (about 1 cup of diced mushrooms).