sIgA (Secretory Immunoglobulin A): How Gut Immunity Protects Digestive System

2026-05-11T11:07:14+10:00

Secretory Immunoglobulin A (sIgA) is one of the most important immune defences in the gut. It is an antibody found in the mucosal lining of the digestive tract that helps protect against harmful bacteria, toxins and pathogens while supporting a balanced gut microbiome. When sIgA levels are healthy, the gut is better able to maintain [...]