word writing text prebiotics. business concept for the growth or development of beneficial microorganisms in foods plain

acid acidophilus bacillus bacteria bacterial bacteriology bacterium bifidobacteria bifidobacterium biological biology colony concept contain diet digestion fermentation flora health healthy isolated lactic lactobacilli lactobacillus lactobacilluses medical medicine microbe microbiology microbiome microorganism microorganisms molecule nutrients nutrition positive probiotic science stomach supplement system vitamin yogurt