Food and Mood: How the Gut Brain Connection May Affect Seasonal Depression, Cravings, and Winter Fatigue

Food and Mood: How the Gut Brain Connection May Affect Seasonal Depression, Cravings, and Winter Fatigue

From Harmony With Food by Meg Marie ORourke

March 11, 2026 · 41 min · Episode 405

About this episode

This episode explores the connection between food, mood, and the gut-brain axis, particularly in relation to winter-related mental health issues.

Winter can take a serious toll on both physical and mental health — especially in colder regions like New England where shorter days, less sunlight, and more time indoors can affect energy, mood, and overall well-being. In this episode of The Harmony With Food Show, registered dietitian and functional nutritionist Meg Marie O’Rourke (Magnificent) explores the powerful connection between food, mood, and the gut-brain axis.Meg explains why so many people experience fatigue, brain fog, emotional eating, and symptoms of seasonal affective disorder (SAD) during the winter months — and why the answer isn’t simply taking random supplements or starting another restrictive diet.In this episode, you’ll learn: • Why winter often triggers cravings for sugar and comfort foods • The science behind the gut-brain connection • How digestive health may influence anxiety, depression, and mood • Why 90% of serotonin is produced in the gut • The role of micronutrient deficiencies in mental health • What psychobiotics are and how they may support mood • Why Meg always says “Test, don’t guess” when it comes to supplements and nutrition Meg also answers listener questions about winter fatigue, emotional…

People in this episode

Host: Meg Marie O’Rourke

Topics covered

  • gut-brain connection
  • seasonal depression
  • emotional eating
  • winter fatigue
  • nutrition
  • mental health

Keywords

  • seasonal affective disorder
  • cravings
  • serotonin
  • psychobiotics
  • micronutrient deficiencies
  • winter blues
  • digestive health

Mentioned in this episode

Books & works: The Harmony With Food Show

Places: New England

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