microscopic bacteria illustrate the science behind probiotics on biological background

microscopic bacteria probiotics science biological background microorganisms digestion gut health immune system microbiota beneficial live cultures fermented foods microbiome benefits wellness dietary supplements natural remedies microbiological research bacterial strains cellular level organisms microbial colonization probiotic properties balance microflora intestinal digestive processes diversity antibiotic resistance response hostmicrobe interactions proliferation ecosystem gutbrain axis preventative medicine