Prebiotics in Practice: What Dietitians and Nutritionists Need to Know in 2026

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Prebiotics have moved from a niche ingredient category into mainstream conversation, but the clinical picture can be more nuanced. As the category expands, many clinicians aren’t yet up to speed on the differences between prebiotic types, or why a supplement might be needed over a food-first approach for the right patient or client.

In this session, Steve Imgrund, Communications Lead for the Global Prebiotic Association, is joined by Kara Siedman, RDN, CDCES (VP of Science and Partnerships, Resbiotic) and Lesli Bitel, MBA, RDN, LDN (business coach and strategist for nutrition and integrative health practitioners) for a conversation on current prebiotic science, how to vet products entering the market, and where prebiotics fit into clinical care, including for patients on GLP-1 medications.

What You’ll Learn:

The current science behind prebiotics, and how their benefits extend well beyond gut health
Established, novel, and emerging prebiotic ingredient classes, and why not all fiber is prebiotic, and not all prebiotics are fiber
How GPA’s Standards of Evidence supports third-party certifications like NutraStrong™ Prebiotic Verified, giving practitioners a real, independent way to recognize a properly-dosed product on shelf
How prebiotics fit into clinical care, including for patients on GLP-1 medications

Please note: This webinar was presented live on August 12th, 2026.

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