"Many Americans are deficient in vitamin D due to limited sun exposure from indoor lifestyles, sunscreen use and our northern ...

Who Is At Risk for a Vitamin A Deficiency? A Vitamin A deficiency is prevalent in Africa and Southeast Asia, where it is estimated that 250 million preschoolers suffer from it due to a lack of ...

Vitamin B12 deficiency can cause a number of strange sensations, like numbness, tingling, and more. “It felt like electricity ...

Table 1 Excretion of Components of the Vitamin B Complex in Normal Subjects and in Patients with Tissue Deficiency.

Symptoms of vitamin C deficiency—also known as scurvy—may include anemia, skin changes, vision problems, and issues with your bones and joints.

Learn about the ways adequate vitamin D intake can benefit your body, the symptoms of vitamin D deficiency and how to get your vitamin levels back on track.

As we start to head indoors for the colder months, vitamin D levels can suffer. Experts share what to know and do about it.

Long term vitamin C deficiency can cause severe and potentially life threatening symptoms. Read about the symptoms and complications and how to prevent it.

Night blindness is caused by vitamin A deficiency, congenital mutations, and other eye diseases. Learn about symptoms, causes ...

Vitamin deficiency may be why you’re so tired — a nutritional neuroscientist explains "How to kickstart your energy by getting essential nutrients in a well-rounded diet . . ." ...

Vitamin D is essential for healthy bones, & a lack of it can lead to health problems, including cardiovascular disease. Know how to get plenty of vitamin D & treat deficiency.

Signs of vitamin D deficiency include fatigue, bone loss, and weight gain. Vitamin D is essential for calcium absorption and immune, nerve, and muscle systems.