bad intestinal, intestinal flora multi color icon. simple thin line, outline of probiotics icons for ui and ux, website or

probiotics vector line icon health care gut illustration human good bad flora bacteria medical organ colon digestive intestinal healthy bacterium intestine body flat isolated small background virus alimentary design system internal anatomy anatomical large gastrointestinal stomach biology rectum food cancer canal tract microflora micro digestion medicine biological lactobacillus harmful multi color