Vitamin D - Wikipedia
Vitamin D obtained from the diet or synthesised in the skin is biologically inactive. It becomes active by two enzymatic hydroxylation steps, the first occurring in the liver and the second in the kidneys.
Vitamin D - Mayo Clinic
Aug 10, 2023 · Vitamin D is a nutrient your body needs for building and maintaining healthy bones. That's because your body can only absorb calcium, the primary component of bone, when vitamin D is present. Vitamin D also regulates many other cellular functions in your body.
Vitamin D - Health Professional Fact Sheet - Office of Dietary ...
Vitamin D overview for health professionals. Research health effects, dosing, sources, deficiency symptoms, side effects, and interactions here.
Vitamin D Deficiency: Causes, Symptoms & Treatment - Cleveland Clinic
Aug 2, 2022 · Vitamin D deficiency is a common vitamin deficiency that causes issues with your bones and muscles. It most commonly affects people over the age of 65 and people who have darker skin. It’s preventable and treatable.
Vitamin D: Benefits, Sources, Deficiencies - Healthline
May 20, 2013 · Vitamin D is involved in bone health and your immune system. You may be wondering about vitamin D benefits and how much you need.
Vitamin D - The Nutrition Source
Vitamin D is a fat-soluble vitamin that depends on the gut’s ability to absorb dietary fat. People who are obese tend to have lower blood vitamin D levels. Vitamin D accumulates in excess fat tissues but is not easily available for use by the body when needed.
Vitamin D: Deficiency, Symptoms, Supplements & Foods - Drugs.com
Sep 5, 2024 · Blood Test. Sources. Low Levels. Deficiency. What is vitamin D? Vitamin D has to be one of science’s most misunderstood vitamins. For a start, it is not actually a vitamin, but a prohormone, which means that it is converted into a hormone by our body.
Vitamin D - Consumer - Office of Dietary Supplements (ODS)
Health Professional. Other Resources. Table of Contents. What is vitamin D and what does it do? How much vitamin D do I need? What foods provide vitamin D? Can I get vitamin D from the sun? What kinds of vitamin D dietary supplements are available? Am I getting enough vitamin D? What happens if I don’t get enough vitamin D?
Vitamin D 101 — A Detailed Beginner's Guide - Healthline
Mar 6, 2019 · In fact, around 41.6% of the U.S. population is deficient (4). This article explains everything you need to know about vitamin D. What Is Vitamin D? Vitamin D is a fat-soluble vitamin,...
Vitamin D - NHS
Vitamin D helps regulate the amount of calcium and phosphate in the body. These nutrients are needed to keep bones, teeth and muscles healthy. A lack of vitamin D can lead to bone deformities such as rickets in children, and bone pain caused by a …