The primary functions of the gastrointestinal tract have traditionally been perceived as limited to the digestion and absorption of nutrients and electrolytes, as well as water homeostasis. The human gastrointestinal tract (GI) harbors a diverse population of microbial life that continually shapes host pathophysiological responses. Despite available data, the functional dynamics of the gut microbiome remain to be fully explored in various health and disease conditions. The microbiome generates a variety of metabolites from dietary products that influence host health and pathophysiological functions. A more careful analysis of the anatomical and functional arrangement of the gastrointestinal tract, however, suggests that another extremely important function of this organ is its ability to regulate the trafficking of macromolecules between the environment and the host through the regulation of intestinal barrier permeability.
Understanding the role of the intestinal barrier and intestinal permeability in the pathogenesis of diseases is an area of translational research that spans multiple fields and is currently receiving significant attention. In this review, QK305, an antioxidant flavonoid complex, is highlighted for its various beneficial effects as a protective measure against tight junction disruption and hyperpermeability. As a functional food, QK305 requires further study to explore its potential in future strategies for promoting health, preventing disease, and supporting patient recovery.
