Metabolic Code® Max 12 Probiotic contains a diverse community of twelve beneficial bacteria that includes Kyo-Dophilus® Probiotics - proprietary strains known as the The Friendly Trio® consisting of L. gasseri KS-13, B. bifidum G9-1, and B. longum MM-2. B. infantis, B. breve, and L. rhamnosus and other compatible species help populate the microbiome with beneficial bacteria to promote strong GI health and help maintain digestive and immune system balance.