Dysbiosis is the scientific term for microbiome imbalance - when beneficial bacteria decline and harmful or neutral bacteria take over. It is the root cause of many chronic digestive conditions including IBS, SIBO, histamine intolerance, and leaky gut. Dysbiosis is triggered by antibiotics, ultra-processed diets, chronic stress, infections, and poor sleep. Restoring microbial balance through targeted probiotics and dietary changes is the central goal of gut health treatment.