Vitamin D

Vitamin D is a nutrient that the body needs in small amounts to function and stay healthy. Vitamin D helps the body use calcium and phosphorus to make strong bones and teeth. It is fat-soluble (can dissolve in fats and oils) and is found in fatty fish, egg yolks, and dairy products. Skin exposed to sunshine can also make vitamin D. Not enough vitamin D can cause a bone disease called rickets. It is being studied in the prevention and treatment of some types of cancer. Also called cholecalciferol.
What is Vitamin D?

Vitamin D is a fat-soluble vitamin that is important for strong bones, muscles, and general good health.

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Overview

Feature Articles

Latest Vitamin D News and Research

Low vitamin D associated with increased depression risk in pregnancy and after birth

Low vitamin D associated with increased depression risk in pregnancy and after birth

Could vitamin D be the missing link in managing type 2 diabetes? Recent study weighs in

Could vitamin D be the missing link in managing type 2 diabetes? Recent study weighs in

Scurvy may be making a comeback amid economic strain

Scurvy may be making a comeback amid economic strain

Social isolation and loneliness linked to low micronutrient intake in older adults

Social isolation and loneliness linked to low micronutrient intake in older adults

The Women's Health Initiative continues to provide a wealth of nutrition insights

The Women's Health Initiative continues to provide a wealth of nutrition insights

New study reveals declining nutrient intake among U.S. women of reproductive age

New study reveals declining nutrient intake among U.S. women of reproductive age

Caffeine's anti-inflammatory effects may help protect blood vessels

Caffeine's anti-inflammatory effects may help protect blood vessels

Could eating eggs prevent dementia?

Could eating eggs prevent dementia?

How does a vegan diet in pregnancy affect mother and baby?

How does a vegan diet in pregnancy affect mother and baby?

Just one egg daily reduces nutrient gaps among U.S. adolescents, study shows

Just one egg daily reduces nutrient gaps among U.S. adolescents, study shows

Vitamin D during pregnancy boosts childhood bone health for years, study shows

Vitamin D during pregnancy boosts childhood bone health for years, study shows

High-dose vitamin D3 cannot be recommended as treatment for metastatic colon cancer

High-dose vitamin D3 cannot be recommended as treatment for metastatic colon cancer

Current and emerging biomarkers in the management of inflammatory bowel disease

Current and emerging biomarkers in the management of inflammatory bowel disease

Vitamin D supplementation shows promising impact on cardiometabolic health

Vitamin D supplementation shows promising impact on cardiometabolic health

New global analysis highlights micronutrient shortages

New global analysis highlights micronutrient shortages

Study reveals a new target for universal treatment for autoimmune diseases

Study reveals a new target for universal treatment for autoimmune diseases

Vitamin D deficiency linked to higher cancer mortality

Vitamin D deficiency linked to higher cancer mortality

How does the season of birth influence the risk of asthma and allergic rhinitis?

How does the season of birth influence the risk of asthma and allergic rhinitis?

Finnish study links autumn and winter births to higher rates of asthma and allergic rhinitis

Finnish study links autumn and winter births to higher rates of asthma and allergic rhinitis

Poor physical function, not bone density, drives higher fracture risk in older women with type 2 diabetes

Poor physical function, not bone density, drives higher fracture risk in older women with type 2 diabetes

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