EPISODE · Jun 22, 2026 · 50 MIN
S05E08 | Let’s Talk Kids’ Gut with Paediatric Dietitian Aisling Oslizlok
from The Gastroenterologist And His Daughter · host Sandra Mikhail
We talk a lot about gut health for adults on this podcast, but what about children? The foundations of a healthy gut are laid earlier than most parents realise, and the decisions made in those first years can have a lasting impact. In this episode, Sandra is joined by paediatric dietitian Aisling Oslizlok, to talk about what's really going on in children's guts, what parents are getting wrong and what actually helps.This episode covers:The critical windows in early life that shape the gut microbiome long termThe most common mistakes parents make when trying to fix their child's gut healthWhat antibiotics actually do to a developing gutThe everyday factors quietly disrupting kids' gut health that parents wouldn't think to questionConstipation, bloating, fussy eating - what's worth investigating and what's just developmentalWhat a gut-friendly diet looks like for a child andThis conversation is essential listening for any parent, whether you're navigating a specific concern or just want to set your child up well from the start.About Aisling Oslizlok:Aisling is a highly experienced Paediatric Dietitian with nearly 20 years of expertise inchildren’s nutrition. Families value her compassionate and practical approach, whichempowers parents to manage their children’s nutritional needs with confidence. She holds a Master’s in Dietetics from Queen Margaret University in the UK and a Bachelor of Science in Pharmacology from University College Dublin in Ireland. Her professional journey has included senior roles in world-class tertiary centres such as Great Ormond Street Hospital in London and the John Radcliffe Hospital in Oxford. Before joining Genesis, she served as Head of Dietetics for Emirates Flight Catering. Aisling is passionate about supporting children with food allergies and gastrointestinal conditions. Her evidence-based care helps families make meaningful, long-term improvements in their children’s health and eating habits.Connect with Aisling:InstagramLinkedIn
What this episode covers
We talk a lot about gut health for adults on this podcast, but what about children? The foundations of a healthy gut are laid earlier than most parents realise, and the decisions made in those first years can have a lasting impact. In this episode, Sandra is joined by paediatric dietitian Aisling Oslizlok, to talk about what's really going on in children's guts, what parents are getting wrong and what actually helps.This episode covers:The critical windows in early life that shape the gut microbiome long termThe most common mistakes parents make when trying to fix their child's gut healthWhat antibiotics actually do to a developing gutThe everyday factors quietly disrupting kids' gut health that parents wouldn't think to questionConstipation, bloating, fussy eating - what's worth investigating and what's just developmentalWhat a gut-friendly diet looks like for a child andThis conversation is essential listening for any parent, whether you're navigating a specific concern or just want to set your child up well from the start.About Aisling Oslizlok:Aisling is a highly experienced Paediatric Dietitian with nearly 20 years of expertise inchildren’s nutrition. Families value her compassionate and practical approach, whichempowers parents to manage their children’s nutritional needs with confidence. She holds a Master’s in Dietetics from Queen Margaret University in the UK and a Bachelor of Science in Pharmacology from University College Dublin in Ireland. Her professional journey has included senior roles in world-class tertiary centres such as Great Ormond Street Hospital in London and the John Radcliffe Hospital in Oxford. Before joining Genesis, she served as Head of Dietetics for Emirates Flight Catering. Aisling is passionate about supporting children with food allergies and gastrointestinal conditions. Her evidence-based care helps families make meaningful, long-term improvements in their children’s health and eating habits.Connect with Aisling:InstagramLinkedIn
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S05E08 | Let’s Talk Kids’ Gut with Paediatric Dietitian Aisling Oslizlok
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