set of probiotic grey icons. lactobacilli, bifidobacteria, vitamins and more.

probiotic intestine intestinal icon disease gastrointestinal lactobacillus microorganism immune bacteria dietary fermentation inflammation flora stomach digestion abdominal bacteriology bacterium enterobacteria fatigue business outline vector symbol thin web sign design element isolated pictogram simple set lactobacilli bifidobacteria vitamin liquid feces strong system healthy distension intestines treatment grey gray monochrome