ISAPP is your source for science-based resources, created and reviewed by experts in the field.
Looking for information you can trust on probiotics, prebiotics, synbiotics, postbiotics, fermented foods and more? Check out ISAPP’s resources for a wealth of accessible, reliable information specific to the field, and search according to the format or topic you need.
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Speaker spotlight: Prof. Michael Gänzle on current directions in research on lactobacilli
Prof. Gänzle describes how research on lactobacilli has evolved over the past few decades, including recent developments and future directions. -
Better study design for better probiotic science
ILSI Europe brought together academic researchers and scientists from industry to identify the aspects of probiotic research that are not covered by existing methodological guidance. The result was PRODARE, a consensus framework designed to support better study design, conduct, and reporting in probiotic research. -
Expert insights into skin microbiome research and translation
Skin microbiome research is gaining momentum as researchers uncover its important and unique contributions to health and disease. -
Factors affecting infant gut microbiota development, with Prof. Christopher Stewart PhD
Prof. Christopher Stewart PhD from Newcastle University (UK), speaks about the factors affecting gut microbiota development in both non-preterm and preterm infants. -
Probiotics with antibiotics: Let’s follow the evidence
In this blog, experts address a media article on probiotics with antibiotics and advocate for using evidence instead of weak but plausible-sounding recommendations. -
ISAPP welcomes participation in upcoming one-day scientific symposium in Tokyo
To help meet the goals of accelerating global scientific advancement and showcasing innovative biotics research, ISAPP will hold a scientific symposium on October 6, 2026 in Tokyo, Japan in conjunction with its annual meeting. -
The ISAPP Consensus Statement on Gut Health
Gut health is defined as a state of normal gastrointestinal function without active gastrointestinal disease and gut-related symptoms that affect quality of life. -
When probiotics guidelines differ: a practical guide for clinicians and researchers
Panel members from the ISAPP meeting led the publication of an Editorial in Gut Microbes on how to navigate guidelines from trusted professional societies when they produce differing conclusions about the use of probiotics for gastrointestinal disorders. -
New ISAPP publication sheds light on the translation of probiotic research into clinical guidelines
A new publication titled “When probiotics guidelines differ: a practical guide for clinicians and researchers” addresses why probiotic clinical recommendations may differ and provides suggestions for interpreting recommendations that differ in either subtle or significant ways. -
Alcohol in fermented foods: Considerations for pregnancy and childhood
Typical health recommendations advise not consuming alcohol during pregnancy or during childhood up to the age of 18. Yet some fermented foods contain alcohol. What does the science reveal about resolving this contradiction? -
Biotics, oral microbiota and potential for dental applications
Prof. Seppo Salminen writes that the biotic approach offers potential for new biological intervention strategies in dentistry, aimed at restoring the natural oral microbiota and maintaining the balance by introducing beneficial biotic components into the oral cavity. -
The International Scientific Association for Probiotics and Prebiotics (ISAPP) consensus statement on the definition and scope of gut health
A panel of experts evaluated the term gut health in the context of the central role of the gastrointestinal tract in health and overall well-being and proposed a definition of gut health as “a state of normal gastrointestinal function without active gastrointestinal disease and gut-related symptoms that affect quality of life”. -
Fido Needs an Antibiotic: Are There Strategies to Maintain Gut Integrity and Restore Gut Microbiota?
Despite their risks and complications, antimicrobials have their role in managing canine diarrhea and gastrointestinal enteropathies. So, what can be done to minimize the negative effects that they have on stool quality and microbial disruption? -
ISAPP’s scientific consensus definition of gut health
Gut health is a commonly used term that previously had no scientific definition. In the paper, the group defines gut health as: “a state of normal gastrointestinal function without active gastrointestinal disease and gut-related symptoms that affect quality of life”. -
How do you know whether your gut microbiome is in good shape?
Scientists know gut microorganisms were interconnected with gut health and overall health in multiple ways. But how do you know if you have a healthy microbiome? Today, we not only know which microbes are there, but we’ve also learned a lot about what they do, and how they influence our digestion, immunity and even mental health. -
Canada’s Fermented Foods Initiative Hosts Inaugural Workshop: A Cross-Sector Conversation Begins
Toronto hosted the inaugural workshop of the Canadian Fermented Foods Initiative (CFFI), a new effort designed to support and advance research, education and innovation on fermented foods in Canada. -
2026 Gregor Reid Award for Outstanding Scholars in Developing Nations Goes to Gut-Brain Researcher Tushar Matta, MS Pharm
The selection committee for the Gregor Reid Award for Outstanding Scholars in Developing Nations has announced this year’s winner: Tushar Matta, MS Pharm. -
The 2026 Glenn Gibson Early Career Researcher Award Recipient is Fermented Foods Researcher Dr. Gabriela Fraiz, PhD
The award committee for the 2026 Glenn Gibson Early Career Researcher Award is pleased to announce this year’s winner: Dr. Gabriela Fraiz, PhD, a nutritional science researcher. -
2026 Sanders Award for Advancing Biotic Science Given to Prof. David Mills of UC Davis
The ISAPP board of directors is pleased to announce the selection of the winner of the 2026 Sanders Award for Advancing Biotic Science: Prof. David Mills PhD, a Distinguished Professor and researcher at University of California, Davis, USA. -
2025 highlights in biotic science
This special year-end episode, which covers 2025’s highlights in biotic science, features three of the academic scientists who serve on the ISAPP board of directors: Prof. Maria Marco PhD from University of California, Davis (USA), Prof. Sarah Lebeer PhD from University of Antwerp (Belgium), and Dr. Gabriel Vinderola PhD from National University of Litoral (Argentina)…. -
What happens when you eat fiber, and why you should eat more
In recent years much research has been done determining that the products of a healthy gut microbiota also have health benefits way beyond the gut. -
Dietary management of chronic constipation, with Dr. Eirini Dimidi PhD RD
This episode features Dr. Eirini Dimidi PhD RD from King’s College London (UK), speaking about the recently published British Dietetic Association’s guidelines for dietary management of chronic constipation. Constipation can be a major concern for patients, but evidence around some of the most common dietary recommendations for addressing it has remained unclear. After a thorough… -
Emerging clinical insights into C. difficile infection from gut microbiota research
In recent years the clinical status and spectrum of C. difficile infection have shifted. The prevalence of this infection has risen sharply. Along with changes that have occurred in the clinical patterns of this disorder, research on the gut microbiome has provided insights into the important factors that contribute to the infection. -
Insights into healthy aging: A story as told by gut microbiome (and other) metabolites
Metabolites, including those derived from the gut microbiome, offer a window into the complex biology of aging. They reflect not just how we live, but how well our bodies are adapting to the passage of time. -
Fermented Foods and Health — Does Today’s Science Support Yesterday’s Tradition?
ISAPP and Today’s Dietitian collaborated on a free webinar in which Hannah Holscher, PhD, RD, and Jennifer Burton, MS, RD, LDN discussed the foundational elements of fermented foods, the role of microbes in fermentation, and more. -
Highlighted Posters from the 2025 ISAPP Annual Meeting
In this second special episode about ISAPP’s annual meeting, held in Banff (Canada) in July 2025, Executive Director Marla Cunningham introduces the four highest-scoring posters from the poster session. Four speakers, all members of the ISAPP Students and Fellows association (SFA), join the podcast to describe the work they presented via poster at the meeting:… -
Highlighted Talks from the 2025 ISAPP Annual Meeting
In this special episode, ISAPP’s Executive Director Marla Cunningham highlights ISAPP’s annual meeting, held in Banff, Canada in July 2025. Four speakers join the podcast to describe their talks from the meeting: Episode abbreviations and links: About our speakers: Carolina Tropini, University of British Columbia, Canada Dr. Carolina Tropini is an Assistant Professor at the… -
ISAPP welcomes two new scientists to its board of directors
The ISAPP board of directors is pleased to welcome two prominent scientists and frequent ISAPP collaborators to its ranks: Prof…. -
Unraveling the functions of GLP-1 in the gut, with Dr. Thomas Greiner PhD
This episode features Dr. Thomas Greiner PhD from the University of Gothenburg (Sweden), speaking about the various functions of GLP-1 in the gut, and the role of gut microbes in GLP-1 production, with ultimate effects on host health. He noted that GLP-1 is produced by enteroendocrine cells called L-cells, both in the small intestine and… -
Archive Highlight: Microbes that break down mucus and milk to benefit the host, with Dr. Clara Belzer PhD
We discuss microbes, mucus, and milk with Dr. Clara Belzer PhD from Wageningen University in the Netherlands in this episode. Dr. Belzer, a molecular geneticist, specializes in studying the microorganisms that are equipped to break down the glycans in mucus and human milk within the host environment. Key topics from this episode: Episode abbreviations and links: About… -
Postbiotics: a perspective on their quantification
Precise quantification is essential for measuring the dose of a postbiotic and ensuring consistency across scientific studies, but a gold standard for quantifying postbiotics does not yet exist. In this paper, 15 leading scientists from academia and industry offer globally relevant guidance for postbiotic quantification. The paper originated from a 2024 expert working group held… -
Investigating the microbial mechanisms contributing to host metabolism, with Dr. Amir Zarrinpar, MD PhD
This episode features Dr. Amir Zarrinpar, MD PhD, from UC San Diego (USA) speaking about his work on circadian biology and host metabolism, and what’s currently known about microbial mechanisms. Dr. Zarrinpar explains that in mouse models, restricting feeding to the nocturnal (awake) period is important for their metabolic and overall health. When mice eat…
