More than 86 percent of adults in the U.S. take vitamins or dietary supplements, a survey found. Whether you're taking vitamin D for bone and immune health, fiber for weight loss or a daily ...

Many people take their daily supplements first thing in the morning, but dietitians warn that the timing of certain vitamins can significantly affect how well your body absorbs them.

Dietary supplements are products like vitamins, minerals, and herbs that claim to promote wellness. Many of these supplements do have known benefits, but there are also risks you should know about.