The gut microbiota is a complex ecosystem of bacteria that live in your digestive tract. It's essential for your digestion, immune function, and even your mental health. But what if it's out of balance? What can you do about it?
Health Begins in the Gut: What is the Gut Microbiome? The human gut microbiome contains around 100 trillion microbes. There are only about 10 trillion human cells in the body. That means that approximately 90% of the cells in your body are actually non-human organisms living in your gut.