probiotics bacteria. lactobacillus, bulgaricus logo with text. amorphous s for milk products are shown such as yogurt,

acidophilus bacillus background bacteria bacterial bacterium benefit bifidobacterium biological bulgaricus digestion enteric fermentation flora grampositive graphic green gut health healthy icon illustration immunity kefir kimchi kombucha lactic lactobacillus lactococcus medical medicine microbe microbiology microorganism miso organic plantarum prebiotic probiotic probiotics propionibacterium streptococcus subspecies thermophilus ulcer vector violet yoghurt yogurt