If you’ve been on the internet lately, you know that gut health is all the rage. There are myriad prebiotics, probiotics and gut health drinks that claim to help with everything from puffy faces to mental health. There’s even been ads recently to ‘revitalize your gut in 2024.’But we’re wondering how to separate fact from fiction, and whether our gut microbiomes actually need this much help. MPR News host Cathy Wurzer spoke with leading gut microbiome researcher at Mayo Clinic, Dr. Purna Kashyap, to fill listeners in on what really matters for your gut.