Probulin Comprehensive Care Probiotic + Prebiotic and Postbiotic Capsules offer a special blend of all-around digestive assistance. Prebiotics and postbiotics are included in every probiotic capsule for the best possible digestive health. Probulin Complete Care Prebiotics are part of the probiotic family and provide nourishment for the probiotic microorganisms. With 12 billion CFU and 8 billion CFU from fermented fruits and vegetables, this product supports the gut flora on a spectrum. The word "postbiotic" refers to the various and distinct substances that probiotic bacteria create. These special substances help maintain a balanced gut microbiota.