Vitamin D - Mayo Clinic
2023年8月10日 · 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: Benefits, Sources, Deficiencies - Healthline
2013年5月20日 · Learn more about vitamin D and your health, as well as what happens when you get too much and how much vitamin D you need. Vitamin D is involved in bone health and …
Vitamin D - Wikipedia
Vitamin D is a group of fat-soluble secosteroids responsible for increasing intestinal absorption of calcium, magnesium, and phosphate, along with numerous other biological functions. [1] [2] In humans, the most significant compounds within this group are vitamin D 3 (cholecalciferol) and vitamin D 2 (ergocalciferol). [2] [3]
VITAMIN D - Uses, Side Effects, and More - WebMD
Learn more about VITAMIN D uses, effectiveness, possible side effects, interactions, dosage, user ratings and products that contain VITAMIN D.
Vitamin D: Benefits and How Much You Need - Cleveland Clinic …
2024年10月25日 · Vitamin D, formally known as calciferol, is a fat-soluble nutrient that has two main responsibilities: helping calcium reach your bones (which keeps them strong) and supporting your immune system ...
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: Benefits, deficiency, sources, and dosage - Medical …
2024年2月5日 · Despite its name, vitamin D is not a vitamin but a hormone or prohormone. In this article, we look at the benefits of vitamin D, what happens to the body when people do not get enough, and...
Vitamin D Deficiency: Causes, Symptoms & Treatment - Cleveland …
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.
Vitamin D - Consumer - Office of Dietary Supplements (ODS)
Because you get vitamin D from food, sunshine, and dietary supplements, one way to know if you’re getting enough is a blood test that measures the amount of vitamin D in your blood. In the blood, a form of vitamin D known as 25-hydroxyvitamin D is measured in either nanomoles per liter (nmol/L) or nanograms per milliliter (ng/mL).
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.
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