Before discussing probiotics, it’s essential to grasp the intricacies of autoimmune diseases. These conditions, such as rheumatoid arthritis, lupus, and multiple sclerosis, involve the immune system misidentifying its own tissues as threats, leading to chronic inflammation and tissue damage. The gut microbiome, a complex ecosystem of bacteria residing in the digestive tract, plays a crucial role in regulating the immune response. An imbalance in this microbiome, known as dysbiosis, is often linked to autoimmune conditions.