Table 3.

Gut microbiota biomodulators.

Biomodulator	Definition
Probiotic	Live microorganisms which confer a health benefit on the host when administered in adequate amounts
Prebiotic	A substrate that is selectively utilized by host microorganisms conferring health benefits on the host
Synbiotic	A mixture comprising live microorganisms and substrate(s) selectively utilized by host microorganisms that confers health benefits on the host
Postbiotic	Preparation of inanimate microorganisms and/or their components that confers a health benefit on the host