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.

Including vitamin D-rich foods and supplements are two ways you can ensure your body is not lacking this essential 'sunshine vitamin.' Below are some tips from healthcare professionals to help you get ...

"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.