What happens to your liver when you take vitamin D supplements every day? Learn how vitamin D is processed by the liver, ...

Despite living in an age of abundant food options and supplements, certain vitamin and mineral deficiencies remain surprisingly common – and vitamin D is among the most widespread. Research suggests ...

When the days shorten and the sun sinks low in the sky, that familiar winter slump sets in. There's a fundamental reason for this seasonal fatigue: low levels of vitamin D—the "sunshine vitamin." ...

Medically reviewed by Jamie Johnson, RDN Key Takeaways Too much vitamin D from supplements can lead to harmful blood levels, ...

Before buying vitamin supplements, consider whether a doctor has recommended them, whether you have symptoms of deficiency or whether a diet change can solve the issue. Different vitamins behave ...

Julia Ries Wexler is a writer focusing on all things health and wellness. She has over 10 years of experience in health journalism, and though she has written about pretty much every health topic ...