
UV-exposed mushrooms can provide significantly more Vitamin D than regular mushrooms. Research indicates that UV exposure can increase Vitamin D2 content in mushrooms multiple times.
Mushrooms and certain cheeses are vegetarian sources of Vitamin D. Mushrooms, especially when dried in the sun, can provide Vitamin D. Dairy products also supply Vitamin D.
Cheese alone cannot prevent Vitamin D deficiency, but it can contribute to intake. Cheddar and Swiss cheese contain Vitamin D, calcium, and protein.