I Might Get Attacked for Saying This About Insulin and Cortisol
Dr. Jockers Functional Nutrition · Sep 24, 2026 · 29:29
Dr. Jockers Functional Nutrition
Dr. Jockers Functional Nutrition · Sep 24, 2026 · 29:29
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In this episode, Dr. David Jockers breaks down the hormonal loop behind stubborn belly fat that almost nobody is talking about: the cortisol-insulin death spiral. Visceral fat isn't passive storage, it's a hormone factory with two to three times more cortisol receptor sites than other fat, and the more of it you carry, the more cortisol it pulls in and the more insulin resistant it becomes.
You will learn exactly how the loop runs, from a stress response to a liver glucose dump to an insulin spike that shuts fat burning off, and why this keeps happening even when you eat clean, stay low carb, or fast. Dr. Jockers also explains how modern living flips your cortisol rhythm backward, so cortisol runs low in the morning and surges at 9:00 PM, midnight, and 3:00 AM, wrecking melatonin, deep sleep, and overnight fat burning.
From there he walks through the four cortisol traps he sees most often and a seven-step fix, including the bedtime snack that stops 3:00 AM wake-ups, why walking beats jogging for fat loss, how to swap chronic cardio for sprint bursts that raise growth hormone by 450%, and the protein target that makes fasting work instead of backfire. He closes with listener questions on testing cortisol properly, spotting visceral fat without a scan, timing your morning coffee, and why thin people can still be dangerously fat on the inside.
In This Episode:
00:00 Testing Cortisol Right
00:14 Podcast Intro And Coaching
03:38 Visceral Fat Hormone Factory
04:57 Cortisol Insulin Death Spiral
07:15 Cortisol Rhythm Gone Wrong
08:53 Four Cortisol Traps
13:16 Fix Step 1 No Late Eating
14:12 Fix Step 2 Stop 3AM Wakeups
17:44 Fix Steps 3 To 7 Lifestyle
23:56 Q And A Cortisol Visceral Fat
27:41 Final Takeaways And Outro
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"One 20-second all-out sprint has been shown to raise growth hormone by 450% for hours afterwards."
~ Dr. Jockers
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Resources:
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Connect with Dr. Jockers:
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Facebook – https:/www.facebook.com/DrDavidJockers
YouTube – https://www.youtube.com/user/djockers
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Episodes: Dr. Jockers Functional Nutrition
