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." ...

People who don’t get enough vitamin B12 through their diets may need a supplement to fill the gap. Here’s how much to take.

You can find combination supplements that include vitamin D and omega-3 fatty acids. "Because vitamin D is fat-soluble, taking it with omega-3s or other healthy fats can improve absorption," Planells ...

In this week's health tips, small changes, like timing your supplements, can improve everyday wellness habits.

C-ing is B-elieving — supplements are everywhere these days. Over 100,000 dietary or nutritional supplements are sold in the US alone. One survey indicated that about 74% of American adults take these ...

If you've recently started taking a new vitamin or supplement, you might wonder how long it takes for vitamins to work or when you’ll notice a difference. The answer depends on several factors, ...