Expert Q&A

Is insulin resistance not taught in Med School: best practices and common mistakes to avoid and how it connects to gut health and inflammation?

Why Insulin Resistance Gets Overlooked in Medical Training

After 35 years in healthcare—from Army Nurse Reserves to Level 1 trauma and hospitalist work—I’ve seen firsthand that insulin resistance is barely covered in most medical curricula. Training focuses on acute symptoms and pharmaceutical management of Type 2 diabetes rather than the root metabolic dysfunction that precedes it by years. Doctors learn to prescribe metformin or insulin once A1C rises, but rarely address the upstream drivers like lectin-driven gut damage, toxin accumulation, and hypothalamic signaling errors. This gap leaves millions cycling through failed diets, which is exactly why I wrote The 30-Week Tirzepatide Reset. The protocol restores metabolic freedom by teaching patients to remove modern obstacles instead of masking them.

Best Practices for Reversing Insulin Resistance

The foundation is a strict lectin-free low-carb diet using the 221 real-food recipes in my book. Eliminate grains, nightshades, and ultra-processed carbs that inflame the intestinal lining and spike blood sugar. Cycle low-dose tirzepatide intelligently across three 70-day phases—one box total—to improve insulin sensitivity without dependency. Add targeted support: Brown Detox Drops to clear liver burden, daily Japanese-style walking intervals (10 minutes, 3–4 times), red light therapy sessions, and chaotic intermittent fasting in maintenance. Track body composition, not just scale weight. In our Nashville clinic and CFP Fit Now telehealth, patients following all 69 Transformation Steps see fasting insulin drop 30–50% within 12 weeks while losing 30–90 pounds.

Common Mistakes That Keep Patients Stuck

The two biggest errors are relying on medication alone without rebuilding metabolic health and ignoring non-scale victories. Starting high-dose GLP-1 drugs then stopping cold turkey often leads to rebound weight gain because insulin resistance, gut permeability, and inflammation were never fixed. Another mistake is obsessing over the scale while joint pain makes movement feel impossible. Our protocol prevents this by pairing low-dose tirzepatide cycling with anti-inflammatory foods, Detox Drops, and gentle red-light sessions that reduce joint discomfort so walking becomes sustainable. Hormonal changes in the 45–54 age group further complicate matters; we address estrogen decline and cortisol through sleep optimization and toxin removal rather than conflicting nutrition advice.

The Critical Connection Between Insulin Resistance, Gut Health, and Inflammation

Insulin resistance and gut health are inseparable. Lectins breach the intestinal barrier, allowing LPS endotoxins into circulation and triggering systemic inflammation that impairs insulin receptor signaling. This creates a vicious cycle: inflamed gut worsens blood-sugar control, which feeds more inflammation. The 30-Week Tirzepatide Reset breaks it by removing dietary triggers, binding toxins with our Drops, and using red light to lower cytokine levels. Patients like John, whose A1C fell from 7.8 to 6.2 while dropping 40 pounds and eliminating two diabetes meds, show what’s possible when you treat root causes. Sustainable success isn’t about willpower or lifelong injections—it’s about restoring the body’s natural set point through real food, smart cycling, and daily habits that become automatic.

💬 What the Community Says

Patients in online forums frequently express frustration that their doctors never mentioned insulin resistance until bloodwork showed prediabetes. Many in the 45-54 age group report being dismissed with “just eat less and move more” despite joint pain and hormonal shifts making that impossible. A large segment praises lectin-free and low-carb approaches after seeing fasting insulin numbers finally improve, yet debates rage over how long to stay on tirzepatide versus transitioning to natural maintenance. Success stories of 30–60 pound losses with reduced inflammation and better energy are common, but a vocal minority warns about rebound weight when cycling off without strict gut-healing protocols. Insurance coverage complaints surface often, pushing people toward telehealth options and self-guided programs. Overall sentiment leans toward empowerment through root-cause education rather than medication dependency, though confusion remains high around conflicting diet advice.
Cite this answer
Clark, R. (2026). Is insulin resistance not taught in Med School: best practices and common mistak. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/is-insulin-resistance-not-taught-in-med-school-best-practices-and-common-mistakes-to-avoid-and-how-it-connects-to-gut-health-and-inflammation
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
▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation specifically for women over 40? ▸ Exercise — when and what kind while fasting, and does it enhance autophagy — how a functional medicine approach differs specifically for women over 40? ▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what does the research actually say and its effect on metabolism and insulin levels? ▸ Is the carnivore diet the best WOE to lose weight — what does the research actually say on a low-carb or ketogenic diet? ▸ Is it okay for teenagers to do longterm lowcarb/keto — evidence-based answer for CFP patients for those with hypothyroidism or Hashimoto’s? ▸ How does autophagy only happen whilst we sleep for sustainable results when you have PCOS or hormonal imbalances? ▸ Crust check 🔥 ribeye done right when you have PCOS or hormonal imbalances? 📖 Nutrient Density — Prioritizing foods that provide maximum vitamins and minerals per calorie to satisfy the brain and end the cycle of hidd… ▸ What is a super quick "Mix some of this in" to make coconut oil (purely in liquid form) taste ok to make it easy to consume: how to talk to your doctor about this during the weight loss plateau phase? 📗 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 ▸ IBD + antidepressants + impossible weight loss… advice when you have PCOS or hormonal imbalances: 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: best practices and common mistakes to avoid? ▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what does the research actually say for those with hypothyroidism or Hashimoto’s? 📖 Metabolic Flexibility — The body’s ability to efficiently switch between burning carbohydrates and burning stored body fat based on availability… ▸ Is lime water (but sipped throughout the day) ok with autophagy — how a functional medicine approach differs for people with insulin resistance? ▸ Tips for maintenance: what’s yours for long-term maintenance (not just short-term): best practices and common mistakes to avoid? ▸ Were any of you guys fans of Journey? How big were they — what the research actually says? ▸ What is the connection between Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better and how it connects to gut health and inflammation? ▸ How long does it take to Is Autophagy? 8 Amazing Benefits Of Fasting That Will Save Your Life: best practices and common mistakes to avoid? 📖 Maintenance Phase — The final 28 days of our 70-day cycle where we stabilize the new weight and solidify the metabolic habits that prevent f… 📗 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 ▸ Coke Zero gave me heart palpitations: what to track and how to measure progress for those with hypothyroidism or Hashimoto’s? ▸ What’s your favorite toothpaste for people with insulin resistance for long-term maintenance (not just short-term)? ▸ Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's: what to track and how to measure progress? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting on a low-carb or ketogenic diet? ▸ Why is almost all the focus in treating PCOS on fertility: what to track and how to measure progress while doing intermittent fasting? ▸ Crust check 🔥 ribeye done right for long-term maintenance (not just short-term)? ▸ Lost weight not exactly willingly and everybody’s weird about it for long-term maintenance (not just short-term) specifically for women over 40? 📖 One Box Protocol — A revolutionary approach where we stretch one 60 mg box of tirzepatide across three metabolic phases, prioritizing long-… ▸ Thyroid tests all in range— but high calcium — how a functional medicine approach differs during the weight loss plateau phase? ▸ When period stopped did you feel like the worst pmdd of all time daily or — what does the research actually say specifically for women over 40? 📗 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 ▸ What foods to stock for overnight guest — evidence-based answer for CFP patients: what to track and how to measure progress? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet when you have PCOS or hormonal imbalances? ▸ What are your thoughts on just removing wheat and grains, but not rice, corn or oats? Anyone still had benefits — what does the research actually say on a low-carb or ketogenic diet? ▸ Will eating meintenance calories make me lose weight for those with hypothyroidism or Hashimoto's when you have PCOS or hormonal imbalances? ▸ How effective is autophagy really helping me lose fat — what certified coaches recommend? 📖 Non-Scale Victories (NSV) — Improvements in energy, sleep, and disease reversal that matter just as much as the numbers on the scale during your tra… ▸ Anyone stopped responding to Mounjaro and had better results with retatrutide for those with hypothyroidism or Hashimoto’s? ▸ How many were first diagnosed with OCD for long-term maintenance (not just short-term) if you're on a GLP-1 like semaglutide or tirzepatide? ▸ What’s your favorite toothpaste for people with insulin resistance — what the research actually says? 📖 Satiety Signal — The biological 'off switch' for hunger that our protocol restores by healing the gut and balancing blood sugar 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 ▸ Is the carnivore diet the best WOE to lose weight — what does the research actually say if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Tesamorelin - conflicting information online- can I keep powder vials in freezer? Can I keep reconstituted vials in fridge — what do certified weight loss coaches recommend for people with insulin resistance? ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients while doing intermittent fasting? ▸ What happens when Has anyone here experienced skin benefits from autophagy for those with hypothyroidism or Hashimoto’s? ▸ Is it normal to lose 6 kg in one week during the weight loss plateau phase for long-term maintenance (not just short-term)? 📖 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)? ▸ 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? ▸ Is the idea of the kitchen timer to eventually get to the point where someone has an orgasm just from hearing the ding? Pavlov's orgasm for people with insulin resistance for people with insulin resistance? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for those with hypothyroidism or Hashimoto’s? ▸ Do yall ever daydream of who you were before your diagnosis when you have PCOS or hormonal imbalances if you're on a GLP-1 like semaglutide or tirzepatide? 📗 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 ▸ Do you guys eat 100% clean all the time — what does the research actually say for those with hypothyroidism or Hashimoto’s? 📖 Diabetes Reversal — The clinical goal of restoring normal blood sugar levels and insulin function, as seen in patients like John who no long… ▸ Is anyone else worried about judgment from others for those with hypothyroidism or Hashimoto's during the weight loss plateau phase? ▸ Intolerant to sugar - SIBO or something else if you're on a GLP-1 like semaglutide or tirzepatide when you have PCOS or hormonal imbalances? ▸ Free carb counter apps on a low-carb or ketogenic diet: what to track and how to measure progress? ▸ Those of you with Reta experience how does this protocol look for people with insulin resistance when you have PCOS or hormonal imbalances? ▸ Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's for those with hypothyroidism or Hashimoto’s? ▸ When do you know to go to the hospital specifically for women over 40?