Table 1.

This is a comparative table outlining the features of prebiotics, probiotics, and postbiotics.

Characteristics	Prebiotics	Probiotics	Postbiotics
Origin	Nondigestible fibers	Live microorganisms	Inanimate, dead or inactivated microorganisms
Sources	Vegetables and fruits	Yogurt, kefir, kimchi, miso, tempeh	Kefir, kombucha, yogurt, miso, tempeh, kimchi, butter
Primary Role	Provide nourishment to probiotics	Improve digestion, strengthen the immune system and positively influence mental health	Offer similar benefits of probiotic without the introduction of live microorganisms