Probiotics are certain types of live microorganisms, such as bacteria and yeast, that live in our gut, nose on the skin, and just about every other part of our body. You can consume them through ...

The human gastrointestinal tract houses roughly 100 trillion microorganisms (good bacteria). These microorganisms make up ...

You can now purchase postbiotics in supplement form and some studies look promising, but do they actually benefit gut health?

I asked expert Dr. Ruvini Wijetilaka, MD, to answer our probiotic questions, dispel the myths, and break down the facts. The ...

This article was made possible by the support of Yakult and produced independently by Scientific American’s board of editors. There are microbes living in medicine cabinets across the U.S., next to ...

This article is part of SELF’s State of Supplements editorial package, in which we break down the BS claims, lack of science, and very real risks that come with the countless pills, powders, and ...

Probiotic supplements line store shelves, but should you be taking them? Scientists' understanding of probiotic supplements is evolving. Once viewed as a useful daily dose of commercially manufactured ...

Shop the best probiotic supplements for women 2025, with mental and physical health benefits, including gut health, vaginal ...

In recent years, there have been many claims made about gut health — especially on social media platforms like TikTok. If you take even just a few minutes to scroll through the GutTok hashtag on the ...

Rachael Link is a registered dietitian and health writer based in San Francisco. She completed her undergraduate degree at the University of Central Missouri and holds a master’s degree from New York ...