Vitamin D deficiency means that you don’t have enough vitamin D in your body. It's common and primarily causes issues with your bones and muscles.

If you have a vitamin deficiency, your healthcare provider can guide you on treating it. They’ll also likely recommend follow-up visits and lab tests to check your vitamin levels and make sure they’re improving.

The most common cause of rickets is a lack of vitamin D. Vitamin D helps your body absorb other important nutrients, like calcium and phosphorus. Without an ample amount of vitamin D, your child …

May 31, 2022 · Vitamin D deficiency: Vitamin D helps your body absorb calcium properly, so a lack of vitamin D in the body can cause low levels of calcium in your blood (hypocalcemia). Vitamin D …

Vitamin A is vital for your vision. Your eyes need to make specific pigments for your retinas to work correctly. A lack of vitamin A hinders your eyes’ ability to make these pigments, which can lead to …

Sep 30, 2025 · Vitamin B12 deficiency, sometimes called cobalamin deficiency, happens when your body is either not getting enough or not absorbing enough vitamin B12 from the foods you eat.

Jul 22, 2022 · Treatment for vitamin deficiency anemia aims to increase your levels of the vitamin you’re lacking. Your provider will determine the best dosage and type of treatment.

What do clinicians need to know about vitamin D and the consequences of vitamin D deficiency? Vitamin D is a fat-soluble vitamin, which helps regulate calcium metabolism and promotes absorption …

Osteomalacia is a condition in which your bones soften and weaken, causing them to break more easily. It most often affects adults due to a lack of vitamin D.

Pernicious anemia, one of the causes of vitamin B12 deficiency, is an autoimmune condition that prevents your body from absorbing vitamin B12.