The Gut 360 Podcast
Episode 33: Fibre and SIBO: How to Eat for Gut Health Without Bloating with Karen Preece-Smith
We dive into one of the most misunderstood areas of gut health: fibre. Why does something so widely recommended for health leave so many people feeling bloated, uncomfortable, or worse? And where does SIBO fit into the picture?
If you’ve ever felt confused about how much fibre to eat, whether fibre is making your symptoms worse, or how to support your gut without discomfort, this episode is packed with practical insight.
Topics discussed:
• What fibre is and how it works inside the gut
• Why fibre supports gut health, hormones, cholesterol, blood sugar and mood
• Why some people feel worse when they increase fibre
• The difference between fibre types and which are gentler for sensitive digestion
• How fibre feeds the gut microbiome and supports microbial diversity
• Why bloating happens when fibre ferments
• How to increase fibre without triggering discomfort
• The impact of stress, chewing and meal timing on digestion
• What SIBO is and how it differs from IBS
• Common causes and symptoms of SIBO
• Why fibre can aggravate SIBO symptoms
• Whether fibre should be reduced during treatment
• How to reintroduce fibre safely after SIBO treatment to support long-term gut resilience
This episode is full of practical takeaways if you want to improve digestion, reduce bloating and build a healthier gut without fear around fibre.
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Find Karen Preece-Smith here:
Karen Preece Smith is an Award-winning registered nutritionist. She combines over a decade of clinical experience with advanced Functional Medicine training and Master NLP coaching to deliver a uniquely high-touch, fully personalised approach. Through her private practice, Karen supports clients experiencing stress, fatigue, digestive issues and complex, multi-layered health concerns. Karen also consults at leading UK clinics specialising in Functional Medicine and digestive health.
Karen’s signature Whole Health Architect™ method brings together the science of physiology with the art of behaviour change — addressing nutrition, mindset, lifestyle, environment and emotional wellbeing to create sustainable, lifelong transformation.
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About The Gut 360 Podcast
Welcome to The Gut 360 Podcast with Eli Brecher, a Registered Associate Nutritionist with a passion for gut health. This podcast will provide nutrition tips, mindset tools and actionable steps to help you thrive on your journey to a healthier gut and a happier you. The mission of this podcast is to empower you to optimise your nutrition and transform your gut health using a 360° approach to wellbeing, so that you can reclaim your life and unlock your full potential.
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