Expert Q&A

How long have we known that diabetes can be cured by not eating any carbs? Can you guess for long-term maintenance (not just short-term) during the weight loss plateau phase?

The Historical Understanding of Carb Restriction for Diabetes Reversal

We've recognized the power of removing carbohydrates to manage and reverse type 2 diabetes for over 150 years. In the 1860s, Dr. William Banting detailed his dramatic reversal of obesity and diabetes symptoms through a strict low-carb, high-fat approach in his "Letter on Corpulence." By the early 1900s, physicians like Dr. Frederick Allen used near-zero carb diets in hospital settings to normalize blood sugar in diabetic patients before insulin's discovery in 1921. These weren't fleeting observations—clinical records showed sustained improvements when patients avoided grains, sugars, and starches. Modern validation arrived in the 1970s-80s with Dr. Robert Atkins' work and subsequent studies confirming that cutting carbs directly lowers insulin demand, reduces insulin resistance, and allows pancreatic beta cells to recover. In our clinic, this knowledge forms the foundation of the lectin-free low-carb diet in "The 30-Week Tirzepatide Reset."

Why Carb Elimination Works for Long-Term Diabetes Management

Eliminating carbs addresses root causes rather than symptoms. Without dietary glucose spikes, your liver stops overproducing glucose via gluconeogenesis, insulin resistance decreases, and inflammation from lectins in grains drops dramatically. Patients typically see A1C drops of 1.5-2.0 points within 8-12 weeks. The protocol in my book integrates this with low-dose tirzepatide cycling over three 70-day cycles, using just one box total. This prevents dependency while rebuilding metabolic freedom. Real foods like pasture-raised meats, non-starchy vegetables, and healthy fats replace ultra-processed carbs, restoring hypothalamic hunger signals that modern diets have disrupted.

Navigating the Weight Loss Plateau Phase with Sustainable Strategies

Plateaus often hit around weeks 12-16 when the body adapts to lower calories. During this phase in "The 30-Week Tirzepatide Reset," we shift to chaotic intermittent fasting—varying eating windows between 12-20 hours daily rather than rigid schedules. Add Japanese-style walking intervals (brisk 3-minute bursts followed by recovery) for 30 minutes most days to boost mitochondrial function without joint stress. Our Detox Drops and targeted supplements address toxin burden that stalls progress. Track body composition, not just scale weight; focus on non-scale victories like reduced joint pain, better blood pressure (often dropping 10-15 mmHg systolic), and improved energy. For those with hormonal changes in the 45-54 age range, this prevents rebound by fixing leptin and ghrelin imbalances. One patient, like John with initial A1C of 7.8, dropped to 6.2 by week 10 and maintained off medications after 30 weeks by continuing these habits.

Building Lifelong Metabolic Freedom Beyond Medication

The biggest mistake is viewing tirzepatide as a lifelong crutch instead of a reset tool. Our approach proves you can maintain 30-90 pound losses long-term by removing grains, lectins, and toxins while cycling medication intelligently. After the 30 weeks, chaotic intermittent fasting and the 221 real-food recipes become automatic. Insurance barriers and past diet failures fade as results compound—many reduce or eliminate blood pressure and diabetes meds. This isn't willpower; it's strategic metabolic healing that hundreds of our patients now live daily. Start with the 69 Transformation Steps in the book for your personal roadmap.

💬 What the Community Says

The community shows strong interest in historical low-carb approaches for diabetes reversal, with many sharing stories of A1C improvements after ditching grains. Most practitioners in forums note that short-term carb cuts yield quick wins, but long-term maintenance during plateaus sparks debate—some swear by chaotic fasting and walking intervals, while others struggle without strict tracking. A vocal minority reports joint pain relief and medication reduction mirroring clinic successes, though skepticism remains about sustaining results without ongoing medical support. Beginners aged 45-54 frequently discuss feeling overwhelmed by conflicting advice yet encouraged by real-food protocols over complex plans. Lived experiences highlight regained energy and clothing fit as bigger motivators than the scale, with mixed views on tirzepatide cycling for those facing insurance denials or hormonal shifts. Overall sentiment leans hopeful but cautious, valuing root-cause methods over quick fixes.
Clark, R. (2026). How long have we known that diabetes can be cured by not eating any carbs? Can y. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/how-long-have-we-known-that-diabetes-can-be-cured-by-not-eating-any-carbs-can-you-guess-for-long-term-maintenance-not-just-short-term-during-the-weight-loss-plateau-phase
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
How many of you were abused as children and how it connects to gut health and inflammation while doing intermittent fasting? What finally worked for my PCOS — what most people get wrong about this: best practices and common mistakes to avoid? How to BOOST metabolism and BURN fat-- VERY EASY AND QUICK and how it connects to gut health and inflammation if you're on a GLP-1 like semaglutide or tirzepatide? Which needle length and gauge: how to talk to your doctor about this when you have PCOS or hormonal imbalances? 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? How to gain weight on an anti inflammatory diet-macros while doing intermittent fasting on a low-carb or ketogenic diet? What's your pre-show drug of choice these days if you're on a GLP-1 like semaglutide or tirzepatide during the weight loss plateau phase? 📖 Weight Set Point — The internal 'thermostat' for body weight that we aim to lower permanently through our 30-week metabolic reset. What do you do when you’re having a difficult time functioning- especially at work — evidence-based answer for CFP patients while doing intermittent fasting? I’m looking into possibly going grain free and I was wondering if it was just as healthy as doing keto or paleo when you have PCOS or hormonal imbalances when you have PCOS or hormonal imbalances? 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? 📖 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 How the prices looking in your neck of the woods and how it connects to gut health and inflammation — what the research actually says? How long should the wait between microdose be — how a functional medicine approach differs: what to track and how to measure progress? 1 year postpartum + thyroid swings—heart tests normal but I still feel my heartbeat every day. Anyone else when you have PCOS or hormonal imbalances: what to track and how to measure progress? Palpable lump where I know I used to have a nodule/hyper symptoms with no antibodies - toxic nodule during the weight loss plateau phase 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? Chosen foods avocado oil, should I be sauteeing my veggies in it for people with insulin resistance and how it connects to gut health and inflammation? 📖 Hidden Hunger — A state where the body is overfed but undernourished, leading to constant cravings because the brain isn't receiving the… Who’s Idea Was This: how to talk to your doctor about this while doing intermittent fasting? 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 — what certified coaches recommend? 📗 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 Which birds havn't you seen yet if you're on a GLP-1 like semaglutide or tirzepatide when you have PCOS or hormonal imbalances? 📖 Smart Cycling — The strategic alternating of medication doses with planned 'off' periods to prevent receptor desensitization and ensure … Diabetics with TPN (IV nutrition experience) during the weight loss plateau phase if you're on a GLP-1 like semaglutide or tirzepatide? Anyone had success with healing food sensitivities and the role of cortisol and stress hormones for those with hypothyroidism or Hashimoto’s? I’m looking into possibly going grain free and I was wondering if it was just as healthy as doing keto or paleo when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? How the prices looking in your neck of the woods and its effect on metabolism and insulin levels on a low-carb or ketogenic diet? 📖 Insulin Resistance — A condition where your cells stop responding to insulin, locking fat in storage; our protocol is designed to unlock thes… 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? Did anyone lose weight because of a medical condition and the role of cortisol and stress hormones on a low-carb or ketogenic diet? 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? Instead of focusing on how being overweight can be healthy, why isn’t society focusing on the fact that most of the food we consume is literally designed to be over consumed for people with insulin resistance and how it connects to gut health and inflammation? 📖 Metabolic Flexibility — The body’s ability to efficiently switch between burning carbohydrates and burning stored body fat based on availability… 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? 📗 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 Switching from Levothyroxine to ERFA (NDT) – Advice on sourcing in Europe/UK — how a functional medicine approach differs for people with insulin resistance? How would you Stack peptides on a low-carb or ketogenic diet for people with insulin resistance? How do you Had someone tell me I was “thin” for the first time in my LIFE specifically for women over 40? How does has anyone reversed insulin resistance without medication for women if you're on a GLP-1 like semaglutide or tirzepatide? 📖 The Clark Protocol — Our evidence-based framework that combines clinical nurse practitioner expertise with personal experience to solve the o… 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? Used old Mounjaro pen by mistake - should I be worried specifically for women over 40 and its effect on metabolism and insulin levels? 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)? What triggered your cardiac anxiety — what do certified weight loss coaches recommend 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 Fasting means nothing….right during the weight loss plateau phase if you're on a GLP-1 like semaglutide or tirzepatide? Most famous single photo of our generation when you have PCOS or hormonal imbalances if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Lectin-Free Living — Eliminating inflammatory plant proteins that damage the gut lining and trigger the autoimmune responses that often stall… Has anyone here fixed their soul-crushing depression by changing diet during the weight loss plateau phase for people with insulin resistance? Any advice for starting maintenance specifically for women over 40 during the weight loss plateau phase? Does anyone else’s health anxiety get MUCH worse at night — what most people get wrong about this: best practices and common mistakes to avoid? How it goes trying to dose insulin every day for long-term maintenance (not just short-term) 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? Am I allowed to ask about trusted suppliers for people with insulin resistance — what the research actually says? 📖 Rebound Weight Gain — The common 'yo-yo' effect caused by high-dose, continuous GLP-1 use; we prevent this through strategic cycling and metab… Finally diagnosed with PCOS. Now what if you're on a GLP-1 like semaglutide or tirzepatide — what the research actually says? 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? 📗 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 a difference 2 weeks makes on a low-carb or ketogenic diet and its effect on metabolism and insulin levels? Fruit Salsa - First Week/Phase One Approved: what to track and how to measure progress on a low-carb or ketogenic diet? Has anyone here fixed their soul-crushing depression by changing diet during the weight loss plateau phase — what certified coaches recommend? 📖 GIP (Gastric Inhibitory Polypeptide) — A hormone that, when combined with GLP-1, enhances the body’s ability to break down fat and manage blood sugar levels mo… Best methods to increase autophagy other fasting for those with hypothyroidism or Hashimoto's — what certified coaches recommend?