Gut Health and Serotonin 🌿 Gut Health and Serotonin 🌿 We all know serotonin is key to regulating our mood—but did you know that 90% of it is actually produced in your gut ? 😲 When your gut is out of balance, serotonin production can plummet, leading to issues like depression, IBS, cardiovascular disease, and even osteoporosis . 🦠💔 A fascinating new study from Caltech has shown just how essential gut bacteria are for producing serotonin and maintaining the mind-body bala