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Episode 54: The Hidden Link Between Metabolic Health, Gut Health, and Mental Wellbeing, with Maria Horstmann

Author
Courtney Cowie NTP, FDN-P
Published
Fri 05 Sep 2025
Episode Link
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We explore the powerful bidirectional relationship between gut health and mood regulation, revealing how digestive issues can manifest as anxiety, depression, and brain fog even without obvious GI symptoms.

• The vagus nerve creates a two-way communication highway between the brain and digestive system
• Bacterial imbalances in the gut directly impact neurotransmitter production and brain function 
• Poor digestion of even healthy foods creates inflammation that affects mood stability
• Vitamin B6 deficiency disrupts dopamine conversion, particularly affecting mood regulation
• Blood sugar imbalances trigger cortisol dysregulation, leading to hormone-related mood disturbances
• Functional tests like GI-MAP, DUTCH, and organic acids reveal gut-brain connections conventional testing misses
• Tracking food intake helps identify personal triggers for mood disruptions
• Protein-rich breakfasts stabilize blood sugar and support consistent energy and mood
• Stopping food intake three hours before bed significantly improves sleep quality
• High achievers often normalize symptoms instead of addressing underlying health issues

Ready to resolve your IBS or IBD symptoms and get to the root cause? Click the link to grab my free e-guide on taking back your gut health through a whole-person approach.

Follow and connect with Maria on IG: @maria_horstmann_official

Link to my free guide

Link to a free 30 minute Gut Check Call

Link to my website

Disclaimer: None of the content discussed is meant to be taken as medical advice. All information presented is for educational purposes only and listeners and viewers assume all responsibility around implementing any changes to their health and medical regimen.

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