It's no secret that a healthy diet can help support your gut microbiome—but have you ever considered consulting the spices in your pantry for a little extra support? A new study published in the journal Nutrients says that adding cayenne pepper into your regular cooking can make a significant impact due to one primary phytonutrient: capsaicin. In fact, researchers suggest that adding capsaicin “to the in vitro cultures of the gut microbiome” can increase the diversity of microbiota (good bugs) in the gastrointestinal tract. Here’s why that’s a good thing.