Rebiirth RE-1® rapid microbiome reset, 3-in-1 prebiotic + probiotic + postbiotic, 7 live Human Origin HOST® Strains, 1 immunogenic postbiotic and 4.5g of fiber (GOS Inulin)—500bn CFU in one daily sachet. Formulated by scientists, trusted by experts to rapidly establish eubiosis and defend the immune system.