What are Postbiotics?

The postbiotic benefits are many… and here’s why!

Postbiotics are officially defined by the International Scientific Association for Probiotics and Prebiotics (ISAPP) as “a preparation of inanimate microorganisms and/or their components that confers health benefits on the host.”

Basically, Postbiotics are ingredients that benefit the gut and general health of people and animals through modulation of the gut microbiota and by supporting the immune system. Wait…what? They are ingredients that promote overall  gut health in people and animals by impacting the microorganisms in the gut.

You may have already heard about other microbiota modulators like prebiotics and probiotics. What makes Postbiotics unique?

Postbiotic - Prebiotic

So...What are Prebiotics and probiotics?

Prebiotics support growth of microorganisms in the gut and help perform fermentation processes that create metabolites, which are needed for metabolism. They help the immune system fight and control bad bacteria in the gut.

Probiotics are live beneficial microorganisms, or bacteria, that help support and compliment gut microbiota, increasing the production of functional metabolites to support health.

Postbiotic Metabolites


Postbiotics, a next generation ‘biotic’, contain metabolites. When ingested by people and animals, postbiotics benefit the body by supporting the microorganisms present in the gut, helping to maintain gut balance and sustain a healthy immune system. To put it simply, Prebiotics are the fuel that help the gut factory to function, Probiotics are factories that aid in the production, and Postbiotics are the goods produced by the factories!

Why are postbiotic benefits important?

Postbiotics are naturally occurring, stable ingredients that have an important role in supporting gut and immune health, directly impacting overall health and wellbeing. They provide a wide variety of benefits and can be easily added into the diets of people, pets, horses, and farm animals like dairy cows, beef, pigs, chickens, and turkeys. Research has been done on a variety of topics and considerations regarding people and animals, including:

Who can Postbiotics Benefit?













The real question is, who can’t?!

Ok, I have more questions!

That’s good! Whether you are a veterinarian or nutritionist, interested in postbiotic benefits for yourself or animals, or you’re just searching for information about better heath, we’re here to help. Visit our Frequently Asked Questions (FAQs) section to learn more!


We’ve gathered a wide variety of peer-reviewed research publications regarding the use of Postbiotics in people and animals. Our list continues to grow, so check back often.

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