The gastrointestinal (GI) microbiome is the environment of the intestinal tract and the organisms that live there. Prebiotics and probiotics work as a team to balance the microbiome and improve health. Prebiotics supply the fuel and probiotics do the heavy work.
Sources:
nccih.nih.gov, ods.od.nih.gov, eatright.org, ncbi.nlm.nih.gov, ncbi.nlm.nih.gov, ncbi.nlm.nih.gov, newsinhealth.nih.gov