How Insulin May Be Silencing Your GLP-1

<p>📢 Ask Dr. Bikman’s Digital Mind (multilingual):</p><p><a href="https://benbikman.com/ben-bikmans-digital-ai-mind" rel="noopener noreferrer" target="_blank">https://benbikman.com/ben-bikmans-digital-ai-mind</a></p><br /><p>📢 Dr. Bikman’s Community &amp; Coaching Site: <a href="https://insuliniq.com" rel="noopener noreferrer" target="_blank">https://insuliniq.com</a></p><br /><p>Summary:</p><p>GLP-1 has become one of the most talked-about hormones in modern medicine, largely due to the rise of GLP-1 receptor agonist drugs for weight loss. In this lecture, Dr. Ben Bikman shifts the focus from how GLP-1 affects insulin to the overlooked reverse question: how insulin affects GLP-1. That shift reveals a deeper metabolic story about how chronic hyperinsulinemia may impair the body’s ability to produce GLP-1 over time.</p><br /><p>Dr. Bikman first clarifies a key misconception. While GLP-1 can stimulate insulin under artificial conditions, in a real meal its dominant role is to slow gastric emptying, suppress glucagon, and reduce the need for insulin. In that sense, GLP-1 functions primarily as an insulin-sparing hormone. This makes the reverse question critical: what happens when the body produces less GLP-1?</p><br /><p>Evidence shows that insulin-resistant, obese, prediabetic, and type 2 diabetic individuals consistently have a blunted GLP-1 response. Mechanistic studies indicate that chronic exposure to high insulin can make L-cells insulin resistant, reducing their ability to secrete GLP-1 when needed. This may create a vicious cycle: high insulin suppresses GLP-1, low GLP-1 removes metabolic brakes, and the resulting larger glucose and insulin spikes further worsen the problem over time.</p><br /><p>The lecture reframes GLP-1 deficiency as a potential consequence of chronic hyperinsulinemia rather than an isolated defect. While GLP-1 drugs can bypass this dysfunction and improve outcomes, they do not repair the underlying cause—making long-term strategies that lower chronically elevated insulin levels more fundamental.</p><br /><p>References:</p><p>For complete show notes and references, we invite you to become an Insider subscriber. You’ll enjoy real-time, livestream Metabolic Classroom access which includes live Q&amp;A with Ben after the lecture, unlimited access to Dr. Bikman’s Digital Mind, ad-free podcast episodes, show notes and references, and Ben’s Weekly Research Review Podcast. Learn more: <a href="https://www.benbikman.com" rel="noopener noreferrer" target="_blank">https://www.benbikman.com</a></p><br /><p>NOTE: The information presented is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Dr. Bikman is not a clinician—and, he is not your doctor. Always seek the advice of your own qualified health providers with questions you may have regarding medical conditions.</p><hr /><p style="color: grey; font-size: 0.75em;"> Hosted on Acast. See <a href="https://acast.com/privacy" rel="noopener noreferrer" style="color: grey;" target="_blank">acast.com/privacy</a> for more information.</p>