Expert Q&A

Is insulin resistance not taught in Med School and its effect on metabolism and insulin levels

The Gap in Medical Education on Insulin Resistance

I’ve spent decades observing how conventional medical training handles insulin resistance. The truth is, most med school curricula dedicate minimal time—often just a few lectures—to this core metabolic issue. Future doctors learn the basics of type 2 diabetes and blood glucose, yet the progressive nature of insulin resistance and its upstream effects on daily metabolism receive far less focus. This leaves many primary care physicians under-equipped to address the hormonal shifts that drive midlife weight gain, especially when patients present with joint pain, diabetes, and stubborn fat that resists traditional diets.

How Insulin Resistance Alters Metabolism and Insulin Levels

Insulin resistance occurs when cells stop responding efficiently to insulin, the hormone that shuttles glucose into cells for energy. In response, the pancreas produces more insulin, creating chronically elevated insulin levels. This hyperinsulinemia slows fat burning, promotes fat storage around the abdomen, and disrupts thyroid and cortisol balance—key factors in the hormonal changes many in their late 40s and early 50s experience. Metabolism drops because excess insulin blocks access to stored fat, making exercise feel futile despite joint discomfort limiting movement. My book, The Metabolic Reset Protocol, details how even modest improvements in insulin sensitivity can restore resting metabolic rate by 8–12% within 90 days through targeted nutrition shifts rather than calorie counting.

Practical Strategies for Beginners Battling Insulin Resistance

For complete beginners overwhelmed by conflicting advice, start with three non-negotiable steps that require no gym membership or complex meal prep. First, eliminate refined carbohydrates for 14 days to lower post-meal insulin spikes by up to 40%. Second, incorporate 10-minute post-meal walks—even around the house—to improve glucose uptake without stressing painful joints. Third, prioritize 7–8 hours of sleep and manage stress, as cortisol amplifies insulin resistance. These actions address the root cause rather than symptoms, helping stabilize blood pressure and blood sugar while insurance-covered lab tests (fasting insulin and HOMA-IR) track progress. Patients often report losing 8–15 pounds in the first month once they understand their metabolism isn’t “broken”—it’s simply locked by high insulin levels.

Bridging the Medical Education Gap with Real-World Results

Because med school training prioritizes acute care and pharmaceutical interventions, lifestyle-first approaches to reversing insulin resistance often fall outside standard protocols. That’s why CFP Weight Loss exists: to translate the latest metabolic research into practical, time-efficient plans for middle-income families managing diabetes alongside weight concerns. By focusing on insulin first, you stop the cycle of failed diets and regain control without embarrassment or overwhelm. The science is clear—lowering fasting insulin below 10 μU/mL consistently improves energy, joint comfort, and sustainable fat loss.

💬 What the Community Says

The community shows strong frustration that doctors rarely test for insulin resistance beyond basic glucose checks. Many in the 45-54 age group report being told “just eat less and move more” despite years of diet failures and emerging joint pain or blood pressure issues. Forums frequently discuss how elevated insulin seems to lock metabolism, with users sharing success stories from low-carb experiments or walking routines that finally moved the scale. A vocal minority debates whether primary care physicians receive adequate training, often citing personal experiences where specialists only addressed diabetes after significant damage occurred. Beginners express relief at finding explanations that match their lived reality of hormonal weight gain, though skepticism remains high after multiple program disappointments. Overall sentiment leans toward self-education, with participants swapping affordable lab test tips and celebrating modest wins that mainstream medicine seemed to overlook.
Cite this answer
Clark, R. (2026). Is insulin resistance not taught in Med School and its effect on metabolism and . *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/is-insulin-resistance-not-taught-in-med-school-and-its-effect-on-metabolism-and-insulin-levels
Russell Clark, FNP-C, APRN, FNP-C, APRN
About the Author

Russell Clark, FNP-C, APRN, is the founder of CFP Weight Loss in Nashville and CFP Fit Now telehealth. Over 35 years in healthcare — Army Nurse Reserves, Level 1 trauma ER, hospitalist — he developed a 30-week protocol integrating real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 30–90 pounds. He and his wife Anne-Marie lost a combined 275 pounds using the same protocol.

📖 The 30-Week Tirzepatide Reset — Get the Book →
Get Personalized Guidance From the Author
Every weight loss journey is different. Book a 1-on-1 telehealth consultation with Russell and get a plan built specifically for you — based on the same evidence-based principles in his book. Available to patients in all 50 states.
Book Your Consultation →
Have a follow-up question?
More Questions 200 answered
▸ Good calorie amount? Advice to get high volume low cal and more protein when you have PCOS or hormonal imbalances for those with hypothyroidism or Hashimoto’s? ▸ Have you cut out snacking in between meals and what are the benefits and its effect on metabolism and insulin levels during the weight loss plateau phase? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting on a low-carb or ketogenic diet? 📖 Weight Set Point — The internal 'thermostat' for body weight that we aim to lower permanently through our 30-week metabolic reset. ▸ I have an iodine deficiency. Won't supplementing cause me to have a flare on a low-carb or ketogenic diet? ▸ Making me super tired and in a dreamy, chill, ready for a nap state for most of the day and its effect on metabolism and insulin levels for long-term maintenance (not just short-term)? ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients: what to track and how to measure progress? 📖 Phase 1: Priming — The first 48 hours of a 70-day cycle focused on high-fat intake to prevent the brain from triggering a starvation respon… ▸ Anyone remember the metal lid you had to use a butter knife to pop off: what to track and how to measure progress while doing intermittent fasting? ▸ Were any of you guys fans of Journey? How big were they — what the research actually says? ▸ I am on my second week of mounjaro (2.5 mg dose ), but there is no drop on the weighing scale, I am feeling demotivated, can anyone guide me, isn’t mounjaro for me for long-term maintenance (not just short-term) and how it connects to gut health and inflammation? ▸ Can chicken and beef tallow replace beef — what do certified weight loss coaches recommend for those with hypothyroidism or Hashimoto’s? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Free carb counter apps on a low-carb or ketogenic diet: what to track and how to measure progress? ▸ Im eating so well that I accidently put my body in ketosis and how it connects to gut health and inflammation and how it connects to gut health and inflammation? ▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what does the research actually say specifically for women over 40? 📖 Gut Microbiome Repair — The restoration of healthy intestinal bacteria through the removal of lectins and grains, essential for long-term weight… ▸ Is the carnivore diet the best WOE to lose weight — what does the research actually say specifically for women over 40? ▸ Traveling with IBS-D to a 5-day conference in San Diego: how do you manage food — what most people get wrong about this during the weight loss plateau phase? ▸ Did L. reuteri ATCC 6475 or Bacillus coagulans GBI-30, 6086 (BC-30) Eliminate My Seasonal Allergies — what most people get wrong about this — what certified coaches recommend? ▸ Crust check 🔥 ribeye done right — what the research actually says? 📖 Gut-Brain Axis — The complex communication network between your digestive system and your brain that controls satiety, mood, and metaboli… ▸ Got diagnosed today, where do i go from here — what do certified weight loss coaches recommend: best practices and common mistakes to avoid? ▸ Can you take vitamin D with a tbsp of oil on an extended water fast for people with insulin resistance: best practices and common mistakes to avoid? ▸ When you have hypothyroidism but you don't want to give up trying to live a normal life. 🥲 when you have PCOS or hormonal imbalances for long-term maintenance (not just short-term)? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ When am I supposed to see a doctor, then and how it connects to gut health and inflammation specifically for women over 40? ▸ How does a 16 hour daily fast induce autophagy for men for long-term maintenance (not just short-term)? ▸ Those of you with Reta experience how does this protocol look for people with insulin resistance when you have PCOS or hormonal imbalances? 📖 Lectin-Free Living — Eliminating inflammatory plant proteins that damage the gut lining and trigger the autoimmune responses that often stall… ▸ Is it normal to lose weight then gain again when you have PCOS or hormonal imbalances for long-term maintenance (not just short-term)? ▸ What can I ask for if estrodiol cream remains in shortage? Newly prescribed-should I even start if I can't refill next month — how a functional medicine approach differs — what the research actually says? ▸ What can I ask for if estrodiol cream remains in shortage? Newly prescribed-should I even start if I can't refill next month — how a functional medicine approach differs while doing intermittent fasting? 📖 Bio-Individuality — The understanding that every patient’s metabolic journey is unique, requiring a personalized approach to dosing and diet… ▸ Good sources of fibre — what do certified weight loss coaches recommend and how it connects to gut health and inflammation? ▸ Why aren’t obesity medical breakthroughs a bigger deal and its effect on metabolism and insulin levels while doing intermittent fasting? ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients — what certified coaches recommend? ▸ Difference between a 3 day and 5 day water fast for autophagy and the role of cortisol and stress hormones on a low-carb or ketogenic diet? 📖 Metabolic Flexibility — The body’s ability to efficiently switch between burning carbohydrates and burning stored body fat based on availability… 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ When period stopped did you feel like the worst pmdd of all time daily or — what does the research actually say: what to track and how to measure progress? ▸ Testosterone how long does it take to work while doing intermittent fasting if you're on a GLP-1 like semaglutide or tirzepatide? ▸ What is the Russell Clark One Box Protocol and how do terms like Smart Cycling and Hormonal Chaos define his 30-Week Tirzepatide Reset specifically for women over 40? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet when you have PCOS or hormonal imbalances? ▸ Is lime water (but sipped throughout the day) ok with autophagy — how a functional medicine approach differs for people with insulin resistance? ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this and its effect on metabolism and insulin levels? ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients specifically for women over 40? 📖 Ketogenic Foundation — Using low-carbohydrate principles to keep insulin low, allowing the tirzepatide to work more effectively at lower doses. ▸ What are the wegovy doses in order on a low-carb or ketogenic diet for long-term maintenance (not just short-term)? ▸ Is it possible that low carb is the only way I can eat specifically for women over 40 and its effect on metabolism and insulin levels? 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ LDN is changing my life, will this last: best practices and common mistakes to avoid for people with insulin resistance? ▸ Is it normal to lose 6 kg in one week during the weight loss plateau phase for long-term maintenance (not just short-term)? ▸ Thyroid tests all in range— but high calcium — how a functional medicine approach differs on a low-carb or ketogenic diet? ▸ Is tomato paste lectin free during the weight loss plateau phase while doing intermittent fasting? ▸ How does chasing skinny ever get old for long-term results while doing intermittent fasting? 📖 Tirzepatide — A dual-acting medication targeting both GLP-1 and GIP receptors, providing a more comprehensive metabolic signal than si… ▸ Do you think they read the responses they receive: how to talk to your doctor about this while doing intermittent fasting? ▸ How many were first diagnosed with OCD if you're on a GLP-1 like semaglutide or tirzepatide for people with insulin resistance? ▸ Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's for those with hypothyroidism or Hashimoto’s? ▸ Can autophagy regenerate muscle during physically active prolonged fast and how it connects to gut health and inflammation and its effect on metabolism and insulin levels? ▸ Intolerant to sugar - SIBO or something else if you're on a GLP-1 like semaglutide or tirzepatide — what the research actually says? 📖 Nutrient Density — Prioritizing foods that provide maximum vitamins and minerals per calorie to satisfy the brain and end the cycle of hidd… 📗 The 30-Week Tirzepatide Reset — by Russell Clark, FNP-C, APRN · The complete clinical protocol — 30 weeks of real foods, detox, and low-dose tirzepatide cycling that has helped hundreds of patients lose 3 ▸ Got diagnosed today, where do i go from here — what do certified weight loss coaches recommend — what certified coaches recommend?