Vitamin D supplements are among the most widely used in the United States, especially among people who don’t get enough sunlight or vitamin-D-rich foods. Health experts say daily supplementation can ...

The report warns that symptoms of hypervitaminosis D can include: drowsiness; confusion; apathy; psychosis; depression; stupor; coma; anorexia; abdominal pain; vomiting; constipation; peptic ulcers; ...

They may recommend taking a high dose of vitamin D for the first few weeks just to try and get you back to normal. You’ll want to test again about six months later to see if that supplementation was ...

Here’s what vitamin D3 is and why your body needs it.

Online chatter claims that vitamin D should always be taken with vitamin K2 because it directs where vitamin D goes in the body.

Add Yahoo as a preferred source to see more of our stories on Google. It can be challenging to meet your vitamin D needs through diet alone. It doesn't matter whether you take vitamin D in the morning ...

Add Yahoo as a preferred source to see more of our stories on Google. When it comes to building strong, healthy bones, the emphasis on strength training has never been greater. Staying active is ...

Dr Oscar Duke warns taking too much vitamin D could harm your heart and kidneys during an appearance on BBC Morning Live on Wednesday ...

Mon, February 9, 2026 at 1:30 PM UTC At the start of the study, participants had varied vitamin D levels, and those who took vitamin D3 had more telomere protection than those who didn’t after four ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. It's that time of year when your body ...

Plus, how to tell if you need to supplement at all.

Dementia impacts millions of older adults, but researchers are still learning how, exactly, to prevent this devastating illness. Now, research suggests that increasing your intake of one specific ...