There's no ideal time to take a vitamin D supplement for maximum absorption, but what you take it with can have an impact.

Medically reviewed by Allison Herries, RDN Key Takeaways Vitamin D plays a vital role in overall health. It is a fat-soluble ...

Medically reviewed by Jamie Johnson, RDN Key Takeaways Too much vitamin D can lead to harmful health effects, including high ...

HOUSTON – Vitamin D has been used during the treatment of COVID-19 patients. Many people are taking it to prevent severe infections and some believe it could help strengthen their immune system to ...

Aim for a balanced diet with a variety of foods in order to get enough vitamin E and vitamin K. While sun protection is good, limiting sun exposure too much can lead to vitamin D deficiency. Read more ...

Q: I have read that older adults may not get enough vitamin D in winter. My father-in-law is 73 years old. He’s from Florida, but he’s spending a year with us here in Maine. He can’t be outdoors all ...