It can be a food to include as part of an overall diet in vitamin D rich foods. However, bluefin tuna has 227 IU of vitamin D per 100-gram serving, so check which type of tuna you're eating as well.

It serves many purposes, including acting as our first defense against germs and the environment, and converting sunlight to vitamin D. The layer ... lifestyle list. So what foods should you ...

"Combining tasty, vitamin D-rich foods with outdoor time on sunny days can help ensure your body gets what it needs, even in winter," she said. These four foods can boost your body's vitamin D intake.

With that in mind, let’s take a look at some of the best biotin-rich foods to add to your grocery list. Dietary supplements ... Tuna is also a viable source of vitamin D, omega-3s, and magnesium ...