Vitamin D deficiency is most commonly caused by a lack of exposure to sunlight. Some disorders can also cause the deficiency. Vitamin D deficiency is a common health issue characterized by insufficient levels of vitamin D in the body. This…

Vitamin D is important but confusing. Find out how to boost vitamin D and much more. 0:00 Introduction: Vitamin D levels explained 1:40 Understanding the vitamin D receptor 6:25 How to boost low vitamin D 8:45 Learn more about vitamin…