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Probiotics… postbiotics… microbiome… microbiota… dietary fibre… there’s a lot of gut health hype our clients are trying to wrap their heads around right now. In our next episode of Dietitian to Dietitian, NBC’s Today Show nutrition and health expert Joy Bauer, Associate Professor Hannah Holscher, PhD, RD and Andrea Hardy, RD explore the science behind the latest buzzword in gut health: prebiotics. Join us to discuss how prebiotics can impact immunity, digestion and weight, whether prebiotics work with probiotics to support gut health, and how you can coach your clients towards perfecting their prebiotic intake.


Dr. Hannah Holscher is an Associate Professor of Nutrition in the Department of Food Science and Human Nutrition and a member of the Division of Nutritional Sciences, the Institute of Genomic Biology, and the National Center for Supercomputing Applications at the University of Illinois. She completed postdoctoral training focused on the human microbiome, a Ph.D. in Nutritional Sciences, and a B.S. in Food Science and Human Nutrition at the University of Illinois. She is also a Registered Dietitian. Dr. Holscher’s laboratory uses clinical interventions and computational approaches to study the interactions of nutrition, the gastrointestinal microbiome, and health.


Andrea Hardy is a registered dietitian from Calgary, Canada where she runs a multi-disciplinary digestive health practice called Ignite Nutrition. She specializes in gut health & gastrointestinal diseases and is recognized in the media as Canada’s Gut Health Expert. She is passionate about translating science into ‘easy to digest’ information to support a healthy gut. She has spoken on the TEDx stage, as well as internationally about digestive health. Follow her on Instagram at @andreahardyrd or tune into her gut health podcast ‘Let’s Gut Real’ which is all about making nutrition science easy to digest!


Joy Bauer, MS, RDN, CDN, one of America’s leading health authorities, is the nutrition and healthy lifestyle expert for NBC’s TODAY show. She also hosts her own Amazon Live weekly show, Health, Happiness, Joy, where she cooks up mouthwatering recipes, answers viewers’ questions in real-time, and shares her favorite products and kitchen hacks. In addition, Joy is the official nutritionist for the New York City Ballet, the creator of, and a #1 New York Times bestselling author with 14 bestsellers to her credit.



Additional resources

Click here to download a summary of the episode

This podcast is not, and is not intended to be, medical advice, which should be tailored to your individual circumstances. This podcast is for your information only, and we advise that you exercise your own judgment before deciding to use the information provided. Professional medical advice should be obtained before taking action.  Please see here for terms and conditions.


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