GUT INSTINCTClinical Applications Helps Maintain Gastrointestinal Balance Increases Secretory IgA for Enhanced Gut Immunity Supports Bowel Regularity Supports Digestion and Micronutrient Absorption GUT INSTINCT is a unique probiotic formula designed to deliver active organisms shown to promote healthy gut microflora, protect intestinal integrity and boost immune function. Included in this formula is Saccharomyces boulardii, an extensively researched microorganism