There is nothing quite like enjoying some fun in the sun to provide your body with some much-needed vitamin D.

Dear L.M.: Overdosing on vitamin D is dangerous. Last month, I had a patient who had elevated levels of calcium, which caused ...

Vitamin D is linked to a number of health benefits, including strengthening bones and teeth and a lower risk of developing health conditions like diabetes and certain cancers. It is also is thought to ...

We updated this article in November 2022 to add more information about each featured product, based on extensive research done by our team. Most experts agree that it’s best to get your vitamins and ...

Like other vitamins, vitamin D is a substance needed for health but only in tiny amounts. Unlike other vitamins, it doesn't occur naturally in many foods (except seafood, mushrooms, and egg yolks), ...

Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...

Vitamin D is known to be essential to many aspects of human health — but a new study suggests that taking a certain form of it can have a negative effect. The more potent and longer-lasting form, ...

Vitamin D is closely related to building and maintaining healthy bones. It also helps with anti-inflammation, immune support, muscle function, generating brain cells, and giving your body antioxidants ...

What is vitamin D3? Your body creates this vitamin naturally when exposed to sunlight. In the winter, however, we tend to stay inside more, making it harder to get the proper amount of D3. There are a ...

Vitamin D, crucial for bone strength, immunity, and mood, comes in various forms, with D3 being more effective. Produced naturally by sunlight, D3 is better absorbed and raises vitamin D levels more ...

Several years ago, in my early 80s, my gynecologist told me (like all women who mainly stayed indoors) that I should be taking 4,000 IU of vitamin D3 daily. Yet today, I read an article warning that ...