Tributyrin Advanced — CoreBiome® Tributyrin, BeautyOLIGO® Galacto-Oligosaccharides & ImmunoLin® Immunoglobulin for Gut Barrier, Microbiome & Mucosal Immune Support by Dr. Morstein Tributyrin Advanced is Dr. Mona Morstein ND's premium three-ingredient gut health formula — combining three of the most clinically advanced, patented branded ingredients available for intestinal barrier support, prebiotic microbiome nutrition, and mucosal immune defence. Rather than a broad multi-ingredient formula, Tributyrin Advanced is built around three high-dose, evidence-backed compounds each targeting a distinct and critical dimension of gut health.* Serving size is 4 vegetarian capsules, 30 servings per container (120 capsules).