Salmon is one of the best sources of vitamin D and if you eat it with a healthy fat like coconut oil or almond butter, you'll get the added benefits of omega-3s.
Tuna is a great source of vitamin D and protein, making it a healthy food that will keep you strong and fit this winter.
Egg yolks are a strong source of vitamin D. One yolk provides about 400 IUs, and the average adult needs 600 to 1,000 IUs per day.
The best sources of vitamin D are sun exposure and fortified milk.
Fortified orange juice is a great way to get your vitamin D, as it has a lot of other essential nutrients as well. It's also pretty healthy in general.
Oysters are one of the best sources of vitamin D out there because they're high in calcium, which means they're also loaded with the important nutrient.