CoreBiotic Advanced Soil-Based Probiotic, 60 Capsules by Researched Nutritionals is formulated with advanced prebiotics and probiotics for gut health. These soil-based organisms (SBOs) support a healthy gut microbiome. The spore-forming strains are heat-resistant and can reach the intestines to provide benefits. Each capsule contains Bacillus subtilis and two types of Bacillus coagulans, delivering 11 billion CFU per serving. This product is vegan, dairy-free, gluten-free, and GMO-free. It is manufactured in a facility that may process other ingredients containing common allergens.