# Insulin Resistance: The Hidden Cause of Fatigue, Brain Fog & Weight Gain

Page: https://stenobird.com/podcast/the-goode-health-functional-medicine-longevity-autoimmune-6433631/insulin-resistance-the-hidden-cause-of-fatigue-brain-fog-weight-gain
Text version: https://stenobird.com/podcast/the-goode-health-functional-medicine-longevity-autoimmune-6433631/insulin-resistance-the-hidden-cause-of-fatigue-brain-fog-weight-gain.md
Podcast: [The Goode Health: Functional Medicine, Longevity & Autoimmune](https://stenobird.com/podcast/the-goode-health-functional-medicine-longevity-autoimmune-6433631)
Published: 2026-04-06T07:30:00+00:00
Episode link: https://www.nicolegoodehealth.com
Audio file: https://episodes.captivate.fm/episode/feb35ce9-f62c-4ef9-8c32-507b15652d52.mp3
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Duration seconds: 1777

## Resource

If you’re constantly tired, dealing with brain fog, and gaining weight despite eating well, exercising, and doing everything “right”—this episode will help you understand what’s really going on. In this episode of our Metabolic Health Series, we break down what insulin resistance actually is. You’ll learn how it impacts your energy levels, brain function, hormones, sleep, and metabolism, and why so many people are told their results are “normal” while still feeling exhausted, foggy, and stuck. 03:13 – What Is Insulin & Insulin Resistance? 04:40 – What Causes Insulin Resistance? 07:20 – Why Insulin Resistance Is Missed in Standard Blood Tests 11:10 – How Insulin Resistance Affects the Body 17:50 – Why Women in Their 30s–40s Are More Affected 20:25 – How to Reverse Insulin Resistance (Diet & Lifestyle) 24:45 – Supplements & Nutritional Support for Insulin Sensitivity 26:50 – Real Client Case: Hidden Insulin Resistance Explained Most importantly, this episode gives you a clear, practical starting point. You’ll understand which markers matter, why conventional testing often misses the full picture, and what a functional medicine approach to metabolic health looks like. RESOURCES: Grab all the links and resources mentioned in this episode at https://www.nicolegoodehealth.com/the-goode-health-podcast/episode-120 DISCLAIMER: The content in this podcast and related website is not intended to be a substitute for medical advice. It is not intended to be used to diagnose or treat, instead it is designed to help educate and inspire. Always seek the advice of a professional medical practitioner or qualified health practitioner. Never ignore or disregard advice given to you based on information in this podcast or related website and do not delay in seeking medical advice.

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