Expert Q&A

How long have we known that diabetes can be cured by not eating any carbs? Can you guess if you're on a GLP-1 like semaglutide or tirzepatide: what to track and how to measure progress?

The History of Carbohydrate Restriction and Diabetes Reversal

Physicians have understood the link between carbohydrates and diabetes for over 150 years. In the 1790s, Dr. John Rollo successfully treated diabetes patients with a meat-and-fat diet that eliminated starches and sugars. By the late 1800s, the "starvation diet" of Dr. Frederick Allen showed dramatic blood sugar improvements by slashing carbs. In 1913, Dr. Elliott Joslin's early protocols emphasized very low carbohydrate intake. These approaches were standard until insulin's discovery in 1921 shifted focus toward medication. The knowledge never disappeared—physicians like Dr. Richard Bernstein revived it in the 1970s with his low-carb approach that normalized blood sugars without heavy reliance on drugs. The modern low-carb and ketogenic movements simply rediscovered what clinicians observed for centuries: removing grains, sugars, and ultra-processed carbs directly addresses the root driver of type 2 diabetes—insulin resistance.

Why Medication Alone Falls Short Without Metabolic Reset

In "The 30-Week Tirzepatide Reset," I emphasize that true, lasting freedom comes from metabolic healing, not perpetual GLP-1 dependency. The two biggest mistakes I see are relying solely on tirzepatide or semaglutide without fixing underlying inflammation from lectins, toxins, and broken hunger signals, and chasing scale numbers instead of non-scale victories. Patients often regain weight plus more once they stop because insulin resistance and hypothalamic dysfunction remain unaddressed. Our protocol uses low-dose tirzepatide cycling across three 70-day cycles alongside a precise lectin-free low-carb diet with 221 recipes, targeted Drops for hunger and detox, red light therapy, and Japanese-style walking. This combination restores natural hormonal balance so your body maintains leanness naturally.

What to Track on Tirzepatide or Semaglutide

When patients ask what to track while on a GLP-1 like tirzepatide, I give them our 69 Transformation Steps checklist. Prioritize these metrics weekly: fasting blood glucose (aim under 100 mg/dL), A1C (target below 5.7), fasting insulin (under 10 uIU/mL), waist circumference (losing 1-2 inches monthly), body composition via smart scale or DEXA (focus on fat loss, not just weight), energy levels on a 1-10 scale, sleep quality, joint pain reduction, and clothing fit. Measure blood pressure daily if managing hypertension alongside diabetes. Track non-scale victories like morning stiffness disappearing or being able to walk without knee pain—these matter more than the scale for long-term success. Use a simple app to log Japanese-style walking intervals (aim 8,000-10,000 steps with short bursts) and chaotic intermittent fasting windows in maintenance phases.

Measuring Real Progress in the 30-Week Protocol

Progress in our program isn't linear. In the first 70 days, expect 10-25 pounds lost, A1C drops of 1-2 points, and visible reductions in inflammation. By week 30, many patients like John—a 60-year-old with initial A1C of 7.8—drop 40 pounds, normalize labs, and discontinue multiple diabetes medications. He followed the exact lectin-free plan, used Detox Drops daily, incorporated red light sessions, and built automatic habits. Measure success by regained metabolic freedom: stable energy without crashes, normalized hunger signals, and confidence that weight won't return. The protocol proves you don't need lifelong injections. Strategic low-dose cycling plus real food, detox, and movement resets your metabolism so you keep results with maintenance tools like chaotic intermittent fasting. This approach has helped hundreds lose 30-90 pounds while reversing diabetes markers safely and sustainably.

💬 What the Community Says

The community shows strong interest in historical low-carb approaches for diabetes but remains divided on long-term GLP-1 use like semaglutide and tirzepatide. Many in the 45-55 age group share stories of failed diets and joint pain preventing exercise, appreciating protocols that emphasize real foods over complex plans. A vocal group debates medication dependency versus natural reset, with some reporting dramatic A1C drops and energy gains while tracking waist measurements and sleep instead of daily weigh-ins. Insurance coverage frustrations are common, leading to discussions about affordable telehealth options. Beginners often feel overwhelmed by conflicting advice but find encouragement in non-scale victories like reduced joint pain and better blood pressure. Experiences vary—some regain weight after stopping shots, while others credit lectin-free eating and walking routines for sustained 30-50 pound losses. Overall sentiment leans toward cautious optimism for combined approaches that address root causes rather than 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-if-you-re-on-a-glp-1-like-semaglutide-or-tirzepatide-what-to-track-and-how-to-measure-progress
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
Favorite baking blogs and its effect on metabolism and insulin levels: what to track and how to measure progress? - [Workout Wednesday] – What’s your fitness look like when you have PCOS or hormonal imbalances for those with hypothyroidism or Hashimoto’s? 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? 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? Before being diagnosed, did we all assume everyone was this tired all the time — how a functional medicine approach differs on a low-carb or ketogenic diet? 📖 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… Has anyone done genetic age testing, hopefully before and after carnivore diet and how it connects to gut health and inflammation for those with hypothyroidism or Hashimoto’s? Palpable lump where I know I used to have a nodule/hyper symptoms with no antibodies - toxic nodule during the weight loss plateau phase: best practices and common mistakes to avoid? How does has anyone reversed insulin resistance without medication for women if you're on a GLP-1 like semaglutide or tirzepatide? Going for my first 36 hours. Any tips and how it connects to gut health and inflammation if you're on a GLP-1 like semaglutide or tirzepatide? Chosen foods avocado oil, should I be sauteeing my veggies in it — how a functional medicine approach differs 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 Lost weight then gained it back on keto: best practices and common mistakes to avoid for those with hypothyroidism or Hashimoto’s? Any advice for starting maintenance specifically for women over 40 for people with insulin resistance? 📖 High-Dose Dependency — The pharmaceutical trap of staying on maximum medication doses indefinitely, which we avoid through our smart cycling me… Anyone else's family think they're crazy for eating this way on a low-carb or ketogenic diet during the weight loss plateau phase? 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 — what certified coaches recommend? How does reversing it doesn’t reslly solve it, does it for long-term results — what the research actually says? Have to stop for 3 weeks for surgery on a low-carb or ketogenic diet if you're on a GLP-1 like semaglutide or tirzepatide? Chosen foods avocado oil, should I be sauteeing my veggies in it for people with insulin resistance for people with insulin resistance? 📖 Tirzepatide Micro-Dosing — The practice of using the lowest effective dose to achieve results, minimizing side effects while maximizing the longevi… 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? Should i really be aiming for 45 zone 2 minutes per day for fat loss when you have PCOS or hormonal imbalances 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 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? 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? Will my face debloat with a low carb diet: best practices and common mistakes to avoid for those with hypothyroidism or Hashimoto’s? 📖 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… Can deep extended autophagy reverse deep cavities, does anyone have any experience regarding this for long-term maintenance (not just short-term) specifically for women over 40? How does are the scientific ways to promote autophagy without medication if you're on a GLP-1 like semaglutide or tirzepatide? 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? What triggered your cardiac anxiety — what do certified weight loss coaches recommend and its effect on metabolism and insulin levels? 📖 Adipose Tissue Signaling — The way fat cells communicate with the brain; our goal is to fix these signals so the body stops defending an unnaturall… What is everyone eating to break their fast and its effect on metabolism and insulin levels 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 Best methods to increase autophagy other fasting for those with hypothyroidism or Hashimoto's — what certified coaches recommend? Fixing a skinny fat physique with just diet and its effect on metabolism and insulin levels during the weight loss plateau phase? 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? Did anyone lose weight because of a medical condition and the role of cortisol and stress hormones on a low-carb or ketogenic diet? Has anyone switched from brand name Premarin to the new recently released generic conjugated estrogens and feels like it is not working as well for those with hypothyroidism or Hashimoto's specifically for women over 40? At what age was your h.a the longest/worst season — what does the research actually say for those with hypothyroidism or Hashimoto’s? 📖 Bio-Individuality — The understanding that every patient’s metabolic journey is unique, requiring a personalized approach to dosing and diet… How does guyz need some advice , should I go on a cut to improve insulin resistance? Reducing body fat is the key after 40 during the weight loss plateau phase? How to BOOST metabolism and BURN fat-- VERY EASY AND QUICK 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 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? Traveling with IBS-D to a 5-day conference in San Diego: how do you manage food during the weight loss plateau phase for people with insulin resistance? Does your doc order regular blood tests and how it connects to gut health and inflammation for those with hypothyroidism or Hashimoto’s? 📖 Leptin Sensitivity — Restoring your brain's ability to hear the 'I am full' signal, which is often muted by high-sugar diets and systemic inf… How to gain weight on an anti inflammatory diet-macros while doing intermittent fasting on a low-carb or ketogenic diet? How do you deal with self hatred for being fat your whole life for long-term maintenance (not just short-term): best practices and common mistakes to avoid? 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? 📖 The Clark Protocol — Our evidence-based framework that combines clinical nurse practitioner expertise with personal experience to solve the o… Did an ultrasound and i saw two comments from the result. not sure if going carnivore is still feasible for those with hypothyroidism or Hashimoto's during the weight loss plateau phase? Did an ultrasound and i saw two comments from the result. not sure if going carnivore is still feasible while doing intermittent fasting when you have PCOS or hormonal imbalances? 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? 📖 Phase 2: Aggressive Loss — A 40-day window of focused fat loss supported by low-dose medication and a specific lectin-free, low-carb nutritional fr… Has anyone done genetic age testing, hopefully before and after carnivore diet and how it connects to gut health and inflammation 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 Actually wanting to wake early for those with hypothyroidism or Hashimoto's for long-term maintenance (not just short-term)? Can you really to induce autophagy without fasting for a long time for those with hypothyroidism or Hashimoto’s? Anyone else's family think they're crazy for eating this way on a low-carb or ketogenic diet and its effect on metabolism and insulin levels? Fixing a skinny fat physique with just diet and its effect on metabolism and insulin levels: what to track and how to measure progress? 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)?