microscopic view of probiotic, prebiotic bacteria in yogurt. colorful bacteria illustrate fermentation process. close-up image

probiotics bacteria 3d closeup probiotic image yogurt fermentation microscopic microorganism food healthy gut supplement healthgiving microorganisms colorful guts microflora prebiotic supplements prebiotics illustration health microbe medical biology science culture colony digestive flora bacillus lactic artwork mobile phone micro macro scientific biotechnology live fermented growth microbiology bacteriology biological