hand drawn probiotics for packaging and branding. in sketch style. microscopic bacteria close-up.

probiotic background design lactobacillus sketch bacteria bowel cell drawing vector bacterium biology icon microorganism banner illustration hand drawn colorful gut acidophilus good food micro microbiota healthy prebiotic bifidobacteria digestion health lactic microbe streptococcus bifidobacterium bulgaricus medical closeup microscope abstract packaging capsule supplement microscopic yogurt therapeutic flora macro bacillus concept graphic molecule probiotics for branding style close-up branding style close-up background