In April 2026, a walk down the supplement aisle at any major pharmacy tells a striking story: vitamin D capsules containing 5 ...

Learn what happens when you take vitamin D supplements long term. Get evidence-based guidance on safety, potential benefits, ...

(Peter Dazeley/The Image Bank/Getty Images) The "sunshine vitamin" may come with a dark side. Just as a lack of vitamin D can ...

Which vitamin D supplements are best? There is nothing quite like enjoying some fun in the sun to provide your body with some much-needed vitamin D. If you cannot be out in the sun, have a milk ...

Most people assume more is better, but with Vitamin D, that logic can seriously backfire. Here's what your body might already be trying to tell you.

Taking omega-3 and vitamin D supplements together may help reduce pain, slow biological aging, improve bone health, and help ...

Dear Dr. Roach: 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 ...

Learn about the best time of day and way to take vitamin D, including how the timing may affect sleep, and if you should consider supplementing with this nutrient.

Various studies prove an association between severe vitamin D deficiency and bad COVID-19 outcomes. Other studies show Vitamin D plays a crucial role in immune function and inflammation. Recent data ...

If the best vitamin D supplements aren't already part of your daily supplement stack, there’s a decent chance they should be. Given the challenge of getting enough sun (if any) in the UK, the NHS ...

More than 40 percent of the U.S. population is estimated to have a vitamin D deficiency, especially in regions with less year-round sun exposure. The vitamin, which is vital for the body’s absorption ...