< Back
vitamin D
Definition
Vitamin D is a vitamin that helps your body absorb calcium and phosphorus. Calcium and phosphorus are important for building strong bones and teeth.
Vitamin D is also important for the immune system. It helps the body fight off infection.
You can get vitamin D from the sun, from food, and from supplements. The best way to get vitamin D is from the sun. But you can also get it from foods like oily fish, egg yolks, and fortified milk.
If you don't get enough vitamin D, you can get sick. Some common vitamin D deficiency symptoms include fatigue, muscle weakness, and bone pain.
How can the word be used?
Vitamin D is essential for strong bones and teeth.
Different forms of the word
Noun:
a fat-soluble vitamin that is essential for the absorption of calcium and phosphorus, and for the maintenance of strong bones and teeth.
Adjective: of or relating to vitamin D.
Etymology
The word "vitamin D" is a combination of the word "vitamin" and the letter "D".
The word "vitamin" comes from the Latin word "vita", which means "life".
The letter "D" is used because vitamin D was originally thought to be a cure for rickets, a disease that causes soft bones.
The first recorded use of the word "vitamin D" was in 1922.
Question
What foods contain vitamin D?