Expert Q&A

Do i have insulin resistance — what the research actually says?

Understanding Insulin Resistance and Its Impact on Weight

Insulin resistance occurs when your cells stop responding efficiently to insulin, forcing your pancreas to produce more to keep blood sugar stable. Over time this leads to higher fasting insulin, fat storage around the midsection, and the metabolic slowdown many patients describe after age 40. In my 35 years of clinical practice I’ve seen how hormonal changes, lectin-laden grains, and toxin accumulation accelerate this process. Research in the Journal of Clinical Investigation shows that even modest insulin resistance can reduce fat-burning by 30-50% while increasing hunger signals through disrupted leptin pathways.

Key Signs and What the Research Confirms

Common indicators include stubborn belly fat despite calorie restriction, post-meal fatigue, skin tags or dark velvety patches (acanthosis nigricans), elevated blood pressure, and triglyceride levels above 150 mg/dL. A 2022 meta-analysis in Diabetes Care reviewed 41 studies and found that fasting insulin above 10 μU/mL or HOMA-IR scores greater than 2.0 strongly predict future Type 2 diabetes and cardiovascular risk. Yet many conventional doctors only test fasting glucose, missing the early warning signs. In "The 30-Week Tirzepatide Reset" I emphasize getting a complete panel—fasting insulin, HbA1c, C-peptide, and inflammatory markers—so patients can track real progress, not just scale weight.

Why Most Diets Fail and How Our Protocol Succeeds

The two biggest mistakes I see are relying on medication alone without rebuilding metabolic health and chasing quick fixes instead of root-cause healing. High-dose GLP-1 drugs can mask symptoms temporarily, but without removing grains, lectins, and ultra-processed carbs, insulin resistance rebounds once the medication stops. Our 30-week protocol uses three 70-day cycles of low-dose tirzepatide cycling paired with a lectin-free low-carb diet of 221 tested recipes. Patients add Detox Drops, Japanese-style walking intervals, red light therapy, and chaotic intermittent fasting in maintenance. This combination lowers insulin demand, reduces inflammation, and restores hypothalamic signaling so the body naturally defends a lower weight.

Real Results and Next Steps for Lasting Freedom

Take John, a 60-year-old with Type 2 diabetes whose A1C was 7.8. After following the exact protocol—lectin-free meals, one box of cycled tirzepatide, daily walks, and red light—he dropped 40 pounds, lowered A1C to 5.9, and discontinued two medications. Stories like his prove metabolic freedom is possible. If joint pain or time constraints have kept you from starting before, our system requires only 20-30 minutes of daily movement and simple real-food meals. Begin by requesting a comprehensive metabolic panel from your provider, then follow the 69 Transformation Steps in my book. Sustainable weight loss isn’t about willpower—it’s about giving your body the signals it evolved to recognize. When you remove the obstacles and cycle support intelligently, your metabolism resets and the weight stays off naturally.

💬 What the Community Says

Patients on forums frequently debate whether their symptoms truly indicate insulin resistance or are simply "normal aging." Many share frustration after years of low-fat or calorie-counting diets that worsened cravings and fatigue. A common theme is relief when someone finally receives fasting insulin or HOMA-IR results showing levels above 12 μU/mL, validating long-standing struggles with weight and energy. The community splits between those who credit low-dose tirzepatide cycling combined with carb reduction for dramatic lab improvements and others wary of any medication, preferring strict lectin-free or carnivore approaches. Success stories often mention losing 25-45 pounds while watching triglycerides drop below 100 and energy returning, yet a vocal minority warns about rebound weight when protocols aren’t followed strictly during maintenance. Insurance coverage complaints and skepticism toward new "miracle" plans appear regularly, but participants who complete full 30-week programs tend to report the highest satisfaction and sustained results.
Clark, R. (2026). Do i have insulin resistance — what the research actually says?. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/do-i-have-insulin-resistance-what-the-research-actually-says
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.

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
Why does I lost 45 pounds in 6 months without any exercise during the weight loss plateau phase? Anyone had improvement in symptoms after already eating a clean plant based diet and its effect on metabolism and insulin levels for people with insulin resistance? So if you're spacing out your shots - what are y'all doing with extra injectors: best practices and common mistakes to avoid for people with insulin resistance? Blue Honey v Tincture — how a functional medicine approach differs for long-term maintenance (not just short-term)? Better to take seperate Pre, Pro Biotoics and Enzymes Or All-in-One supplement for those with hypothyroidism or Hashimoto's if you're on a GLP-1 like semaglutide or tirzepatide? Fasting means nothing….right during the weight loss plateau phase if you're on a GLP-1 like semaglutide or tirzepatide? How to store insulin, glucometer and strips during cold adventures when you have PCOS or hormonal imbalances: what to track and how to measure progress? 📖 Modern Wheat Dangers — The hidden threat in hybridized grains that causes gut inflammation and spikes blood sugar more aggressively than pure t… Did an ultrasound and i saw two comments from the result. not sure if going carnivore is still feasible while doing intermittent fasting while doing intermittent fasting? 📗 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 How do you deal with self hatred for being fat your whole life for long-term maintenance (not just short-term) while doing intermittent fasting? Oura data shows high physiological stress, skipped period after Keto break and sickness. Should I push through with fasting or listen to the ring — how a functional medicine approach differs on a low-carb or ketogenic diet? How long did it take to find success and how it connects to gut health and inflammation for long-term maintenance (not just short-term)? Accidentally left my vials out overnight. Are they still good for long-term maintenance (not just short-term) if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Hashimoto’s Success — Achieving weight loss and reduced inflammation in thyroid patients by removing dietary triggers like lectins and modern … What is everyone eating to break their fast and its effect on metabolism and insulin levels for those with hypothyroidism or Hashimoto’s? How do I stop the lunch trap from ruining my deficit when im out of the house all day on a low-carb or ketogenic diet: best practices and common mistakes to avoid? Can deep extended autophagy reverse deep cavities, does anyone have any experience regarding this for long-term maintenance (not just short-term) during the weight loss plateau phase? 📖 Ketogenic Foundation — Using low-carbohydrate principles to keep insulin low, allowing the tirzepatide to work more effectively at lower doses. How does messes with autophagy after a weight loss plateau when you have PCOS or hormonal imbalances? 📗 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 How do i not compare myself to others when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? Has anyone lost weight on this diet on a low-carb or ketogenic diet: best practices and common mistakes to avoid? What keto plus compounded tirzepatide for the last five months looked like when you have PCOS or hormonal imbalances for long-term maintenance (not just short-term)? Shot doesn’t feel like it’s going into skin - bad batch — what do certified weight loss coaches recommend on a low-carb or ketogenic diet? What's the dumbest thing you and/or your siblings did when you were left home alone for long-term maintenance (not just short-term)? Has anyone here fixed their soul-crushing depression by changing diet during the weight loss plateau phase — what certified coaches recommend? 📖 30-Week Tirzepatide Reset — Our signature protocol using a single 60 mg box of medication cycled over 30 weeks to achieve lasting metabolic transfor… Do you think they read the responses they receive — what do certified weight loss coaches recommend if you're on a GLP-1 like semaglutide or tirzepatide? Does your doc order regular blood tests and how it connects to gut health and inflammation 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 How does messes with autophagy after a weight loss plateau on a low-carb or ketogenic diet? Shot doesn’t feel like it’s going into skin - bad batch — what do certified weight loss coaches recommend for those with hypothyroidism or Hashimoto’s? Anyone have high cholesterol or know more about the link between high cholesterol and hypothyroidism on a low-carb or ketogenic diet on a low-carb or ketogenic diet? Clothing rules to keep you from "looking fat" -- have they discussed this during the weight loss plateau phase if you're on a GLP-1 like semaglutide or tirzepatide? Does anyone else’s health anxiety get MUCH worse at night — what most people get wrong about this if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Satiety Signal — The biological 'off switch' for hunger that our protocol restores by healing the gut and balancing blood sugar levels. What a year it has been if you're on a GLP-1 like semaglutide or tirzepatide and its effect on metabolism and insulin levels? - [Workout Wednesday] – What’s your fitness look like when you have PCOS or hormonal imbalances for those with hypothyroidism or Hashimoto’s? Dizzy feeling plus high blood pressure and its effect on metabolism and insulin levels for people with insulin resistance? 📗 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 Why does giving advice to others about mental health feel so much easier than following the same advice for yourself when you have PCOS or hormonal imbalances while doing intermittent fasting? Nausea after CJC-1295 injection - ok or bad batch and the role of cortisol and stress hormones while doing intermittent fasting? Is Dotti a generic or brand-name patch — what do certified weight loss coaches recommend while doing intermittent fasting? How does are the scientific ways to promote autophagy without medication if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Muscle Sarcopenia — The dangerous loss of lean muscle mass often seen in traditional 'crash diets' or high-dose GLP-1 use, which we combat t… Nausea after CJC-1295 injection - ok or bad batch and the role of cortisol and stress hormones — what the research actually says? Building muscle with the Paleo diet when you have PCOS or hormonal imbalances for long-term maintenance (not just short-term)? How to love myself while in the process of losing the weight for long-term maintenance (not just short-term): best practices and common mistakes to avoid? 📖 Tirzepatide Micro-Dosing — The practice of using the lowest effective dose to achieve results, minimizing side effects while maximizing the longevi… 225lbs 5’10, is it possible for me to lose weight starting at 2200 calories a day when you have PCOS or hormonal imbalances: what to track and how to measure progress? Have to stop for 3 weeks for surgery on a low-carb or ketogenic diet 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 Will my face debloat with a low carb diet: best practices and common mistakes to avoid when you have PCOS or hormonal imbalances? Homemade bacon - are curing salts required — what most people get wrong about this — what the research actually says? Can you really to induce autophagy without fasting for a long time for those with hypothyroidism or Hashimoto’s? 📖 Cellular Detox — The process of clearing out metabolic waste and reducing cellular stress to allow for more efficient energy production a… Can I use Bears Head (Hericium americanum) in place of Lions Mane and how it connects to gut health and inflammation while doing intermittent fasting? How it looks when you lose 170 lbs. but are still a fat man and the role of cortisol and stress hormones and how it connects to gut health and inflammation? Any advice for starting maintenance specifically for women over 40 — what the research actually says? Lost weight then gained it back on keto: best practices and common mistakes to avoid for those with hypothyroidism or Hashimoto’s? How would you Stack peptides on a low-carb or ketogenic diet for people with insulin resistance? 📗 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 Does anyone else feel like they are living life at 50% and the role of cortisol and stress hormones during the weight loss plateau phase?