Advancing Scientific Excellence

in probiotics and prebiotics

We Are

The international non-profit organization that works to advance the science of probiotics, prebiotics and related substances, such as synbiotics, postbiotics and fermented foods. Founded in 2002, ISAPP brings together global leading scientific experts and has shifted the paradigm for how probiotics and prebiotics are studied and understood.

We’re Committed To

Stewardship of the field by highlighting scientific progress, addressing misleading information and by communicating with regulators

Advancing the science by supporting scientific discussions that lead to effective collaborations and high-quality studies on topics of interest

Educating stakeholders by creating tailored programs and materials that accurately represent current science

We set ourselves apart

Putting the science first. We are committed to scientific integrity and transparency and believe advancements in the probiotic and prebiotic fields are driven by rigorous scientific approaches and science-based communications.

ISAPP is currently seeking applications for its new Executive Director

Find out more

For Scientists

Our ISAPP Science Blog is the voice of knowledge leaders in the field, who offer nuanced perspectives on issues that affect the science of probiotics, prebiotics and related substances. Our annual meeting for members is a flagship scientific networking event. You can find our latest news here, along with scientific resources and ISAPP publications.

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For Consumers

You may have heard conflicting information about probiotics, prebiotics, synbiotics, postbiotics and fermented foods. Our resources section is a one-stop-shop for reliable, science-based information on related topics, including: What are prebiotics? How healthy are fermented foods? Are probiotics useful?

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For Students

Through our Students and Fellows Association (SFA), you can become part of a community of students and early career scientists focused on probiotics, prebiotics, and related fields. Connect digitally, or meet in person at our annual meeting for valuable networking opportunities.

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For Clinicians

Staying up to date on the latest clinical data on probiotics and prebiotics can be difficult for busy physicians, nurses, dietitians, and pharmacists. ISAPP collects resources to help health professionals find the evidence they need for probiotics and prebiotics in clinical use.

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Latest Posts and ISAPP Publications

The many functions of human milk oligosaccharides: A Q&A with Prof. Ardythe Morrow

Human milk is the ‘gold standard’ of infant nutrition—and…

Why researchers need to understand more about the small intestinal microbiome

By Prof. Eamonn M. M. Quigley, MD, The Methodist Hospital and…

Are probiotics effective in improving symptoms of constipation?

By Eirini Dimidi, PhD, Lecturer at King’s College London Constipation…

Can diet shape the effects of probiotics or prebiotics?

By Prof. Maria Marco PhD, University of California - Davis and…

Human milk oligosaccharides as prebiotics to be discussed in upcoming ISAPP webinar

Human milk oligosaccharides (HMOs), non-digestible carbohydrates…

Can Probiotics Cause Harm? The example of pregnancy

By Prof. Dan Merenstein MD, Georgetown University School of Medicine,…

A pediatrician’s perspective on c-section births and the gut microbiome

By Prof. Hania Szajewska, MD, Medical University of Warsaw, Poland…

What is a strain in microbiology and why does it matter?

By Prof. Colin Hill, Microbiology Department and APC Microbiome…

Probiotics vs. prebiotics: Which to choose? And when?

By Dr. Karen Scott, PhD, Rowett Institute, University of Aberdeen,…

Do polyphenols qualify as prebiotics? The latest scientific perspectives

Kristina Campbell, Consulting Communications Director, ISAPP When…

The ISAPP 2022 annual meeting is scheduled for June 15-17, 2022 in Sitges, Barcelona, Spain

This meeting is open to industry members, Students and Fellows Association members and invited guests only. See here for details.

©2020 International Scientific Association for Probiotics and Prebiotics