Fatty fish like salmon, mackerel, and tuna are excellent sources of vitamin D3. A 3.5-ounce serving can provide your daily recommended intake.
Egg yolks contain small amounts of vitamin D, with pastured or fortified eggs having higher levels.
Some mushrooms, like shiitake and maitake, can produce vitamin D when exposed to ultraviolet (UV) light, making them a source for vegans.
Beef liver is a good source of vitamin D, as well as a variety of other essential nutrients.
Certain types of cheese, like Swiss and cheddar, contain small amounts of vitamin D.
Pork, particularly pork chops and pork loin, contains vitamin D, though the levels can vary.
Some brands of tofu are fortified with vitamin D, making it a good choice for vegetarians and vegans.
While not a food, exposure to sunlight is one of the most effective ways to get vitamin D. Your skin produces vitamin D when exposed to UVB sunlight.