Probiotics and prebiotics can beneficially affect the host's intestinal microflora. Probiotics are live microorganisms that improve intestinal balance, while prebiotics are non-digestible fibers that promote the growth of beneficial microbes. Examples of probiotics include Lactobacillus and Bifidobacterium, while prebiotics include fructooligosaccharides. Consuming probiotics and prebiotics can promote a healthy gut microbiome and provide various health benefits.