 Look for an enriched formula containing these three key components for best results. Probiotics, prebiotics, and postbiotics. A worldwide leader in microbiome health for over 40 years, Dr. O'Hara's probiotics is an enriched full-spectrum probiotic system fermenting multiple strains of probiotic bacteria and nourishing prebiotics. The result? Transformative postbiotic metabolites that maintain and support the biodiversity of flora in your