Probiotics and prebiotics both support gut health, but they have some key differences. Probiotics are beneficial microorganisms, while prebiotics help feed gut bacteria.

A dietitian explains when probiotic supplements can help your gut health, how to choose a quality brand, and what side effects or risks to watch for if you take them every day.

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." YOU HAVE PROBABLY considered taking a probiotic supplement at some point in your life. Maybe a friend ...

Most microorganisms, like bacteria and yeast, are harmful, but probiotics are beneficial exceptions that contain helpful bacteria or yeast similar to those in the gut. Common types—such as ...

Probiotic supplements may be a growing trend among health-conscious consumers, but the tiny bacteria that have been stuffed into capsules and stacked on pharmacy shelves coexisted with us before we ...

Probiotics, celebrated for gut health and immunity, are increasingly popular. However, emerging research suggests excessive ...

Qin Rao, MD, is a board-certified physician based in New York City. He currently works as a gastroenterologist and hepatologist at Manhattan Gastroenterology. Probiotics may help relieve constipation ...

Some research suggests that probiotics may help alleviate constipation. However, there is not enough evidence to prove this. The effects may depend on the probiotic species. Probiotics are live ...

Probiotics are live bacteria that are added, grown, or mixed into foods and drinks. Some studies suggest a link between probiotic consumption and weight loss when part of a balanced diet. However, ...