Expert Q&A

Does anyone have a normal A1C, but high insulin — what do certified weight loss coaches recommend on a low-carb or ketogenic diet?

Understanding Normal A1C With High Insulin

In my 35 years of clinical practice, I see this pattern constantly in patients aged 45-54: fasting insulin above 10 μU/mL while A1C stays under 5.7%. This indicates insulin resistance is developing years before blood sugar rises. Your pancreas is overproducing insulin to keep glucose normal, driving fat storage, inflammation, and hormonal disruption. Many with joint pain, stubborn weight, and blood pressure issues fit this profile exactly. The good news? A strategic low-carb approach can reverse it before full diabetes sets in.

The 30-Week Tirzepatide Reset Protocol for This Pattern

In The 30-Week Tirzepatide Reset, we use three 70-day cycles that combine low-dose tirzepatide cycling with a precise lectin-free low-carb diet. Start by measuring fasting insulin alongside glucose—aim to drop insulin below 5 μU/mL. Our 221 recipes eliminate grains, lectins, and ultra-processed carbs that spike insulin 300% more than fats. Daily intake targets 20-40g net carbs from non-starchy vegetables, healthy fats like avocado and olive oil, and 4-6 oz pasture-raised proteins. This rapidly lowers insulin demand while preserving muscle.

We layer in targeted support: Brown Detox Drops to clear liver toxins that worsen resistance, Japanese-style walking intervals (10 minutes, 3x daily) that improve insulin sensitivity 24-48%, and red light therapy sessions to reduce inflammation. For those managing diabetes and blood pressure, this framework often allows medication reduction under medical supervision within 10-12 weeks.

Why Low-Carb and Ketogenic Diets Work Here

Standard diets fail because they ignore root causes like lectin-induced gut damage and toxin burden. Our ketogenic-leaning phase (weeks 1-10) shifts metabolism into fat-burning, dropping average insulin 40-60% in clinical tracking. Patients track via weekly body-composition scans, celebrating non-scale victories like reduced joint pain and steady energy. Avoid the two biggest mistakes: using tirzepatide alone without rebuilding habits, or obsessing over the scale instead of labs and how clothes fit. The protocol’s 69 Transformation Steps provide a daily roadmap—no complex meal plans needed.

Real Results and Long-Term Metabolic Freedom

Take John, 58, with normal A1C but insulin at 18 μU/mL, plus hypertension. Following the protocol, his insulin fell to 4.2 in 14 weeks, he lost 32 pounds, and blood pressure normalized. He now maintains with chaotic intermittent fasting and the real-food habits from the book. This isn’t willpower—it’s metabolic reset. You don’t need lifelong injections or extreme gym schedules. The 30-Week Tirzepatide Reset gives you the exact tools to restore hypothalamic signaling and keep weight off naturally. Start with insulin testing and one cycle; the freedom is life-changing.

💬 What the Community Says

Forum users frequently report frustration with normal A1C readings despite fasting insulin levels in the teens or higher, often discovered after pushing for advanced labs. Many in the 45-54 age group describe years of failed diets before trying low-carb or ketogenic approaches, with mixed early results—some lose 15-25 lbs quickly but struggle with plateaus or carb reintroduction. Discussions highlight the appeal of tirzepatide and similar medications for jump-starting progress when insurance denies coverage, yet a vocal group debates long-term dependency versus using them as a temporary reset tool. Practitioners in weight-loss communities emphasize pairing any medication with lectin-free eating and walking, sharing stories of improved energy and joint relief. Beginners often feel overwhelmed by conflicting advice on exact carb thresholds or testing frequency, leading to calls for simpler step-by-step plans. Overall sentiment leans positive toward integrated protocols that address both labs and daily habits, though cost barriers for coaching and supplements remain a common complaint.
Cite this answer
Clark, R. (2026). Does anyone have a normal A1C, but high insulin — what do certified weight loss . *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/does-anyone-have-a-normal-a1c-but-high-insulin-what-do-certified-weight-loss-coaches-recommend-on-a-low-carb-or-ketogenic-diet
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 love myself while in the process of losing the weight for long-term maintenance (not just short-term) for people with insulin resistance? ▸ Why does Guyz need some advice , should I go on a cut to improve insulin resistance? Reducing body fat is the key and its effect on metabolism and insulin levels? ▸ POLL At what strength did Semaglutide become effective for you for those with hypothyroidism or Hashimoto's during the weight loss plateau phase? ▸ Why there's always room for dessert, according to brain science on a low-carb or ketogenic diet and how it connects to gut health and inflammation? 📖 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… ▸ How to erase and further avoid getting stretch marks after weight loss — how a functional medicine approach differs and how it connects to gut health and inflammation? ▸ Lost weight then gained it back on keto: best practices and common mistakes to avoid if you're on a GLP-1 like semaglutide or tirzepatide? ▸ 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? ▸ 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? ▸ 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? ▸ At what age was your h.a the longest/worst season — what does the research actually say for those with hypothyroidism or Hashimoto’s? 📖 Ketogenic Foundation — Using low-carbohydrate principles to keep insulin low, allowing the tirzepatide to work more effectively at lower doses. 📗 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 ▸ Compression socks. Worth it? Any recs when you have PCOS or hormonal imbalances for long-term maintenance (not just short-term)? ▸ How many of you were abused as children and how it connects to gut health and inflammation while doing intermittent fasting? ▸ Dizzy feeling plus high blood pressure and its effect on metabolism and insulin levels: best practices and common mistakes to avoid? ▸ Nausea after CJC-1295 injection - ok or bad batch when you have PCOS or hormonal imbalances: best practices and common mistakes to avoid? ▸ Does anyone else feel like they are living life at 50% and the role of cortisol and stress hormones and its effect on metabolism and insulin levels? ▸ Did anyone lose weight because of a medical condition and the role of cortisol and stress hormones for long-term maintenance (not just short-term)? 📖 Gut Microbiome Repair — The restoration of healthy intestinal bacteria through the removal of lectins and grains, essential for long-term weight… ▸ How do you Had someone tell me I was “thin” for the first time in my LIFE specifically for women over 40? ▸ Vomited at new dose, will it happen again next week and its effect on metabolism and insulin levels and how it connects to gut health and inflammation? 📗 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 ▸ Microdosing and eating habits — what do certified weight loss coaches recommend if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Can I use Bears Head (Hericium americanum) in place of Lions Mane and how it connects to gut health and inflammation if you're on a GLP-1 like semaglutide or tirzepatide? ▸ 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? 📖 Rebound Weight Gain — The common 'yo-yo' effect caused by high-dose, continuous GLP-1 use; we prevent this through strategic cycling and metab… ▸ Switching from Levothyroxine to ERFA (NDT) – Advice on sourcing in Europe/UK — how a functional medicine approach differs for people with insulin resistance? ▸ Can you really to induce autophagy without fasting for a long time for those with hypothyroidism or Hashimoto’s? ▸ Why there's always room for dessert, according to brain science on a low-carb or ketogenic diet during the weight loss plateau phase? ▸ So if you're spacing out your shots - what are y'all doing with extra injectors: best practices and common mistakes to avoid while doing intermittent fasting? ▸ 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? 📗 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 I lost 45 pounds in 6 months without any exercise during the weight loss plateau phase? ▸ 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? 📖 Tirzepatide Micro-Dosing — The practice of using the lowest effective dose to achieve results, minimizing side effects while maximizing the longevi… ▸ Doesn't Barbra Streisand belong to us too: best practices and common mistakes to avoid for those with hypothyroidism or Hashimoto’s? ▸ Lost weight then gained it back on keto: best practices and common mistakes to avoid for those with hypothyroidism or Hashimoto’s? ▸ Nausea after CJC-1295 injection - ok or bad batch and the role of cortisol and stress hormones 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 and how it connects to gut health and inflammation? ▸ Will my face debloat with a low carb diet: best practices and common mistakes to avoid when you have PCOS or hormonal imbalances? ▸ Does the food you cook and prepare affect your gut microbiome, even if you don't eat it specifically for women over 40 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 ▸ Used old Mounjaro pen by mistake - should I be worried specifically for women over 40 — what the research actually says? 📖 Hidden Hunger — A state where the body is overfed but undernourished, leading to constant cravings because the brain isn't receiving the… ▸ 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? ▸ Who’s Idea Was This: how to talk to your doctor about this while doing intermittent fasting? ▸ Finally diagnosed with PCOS. Now what if you're on a GLP-1 like semaglutide or tirzepatide — what the research actually says? ▸ 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? ▸ 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? ▸ Any advice for starting maintenance specifically for women over 40 — what the research actually says? ▸ Started my newest batch of Sema last week, my first dose with the new vitamin b formula. It doesn’t seem to be as powerful as the non vitamin b formula. Have others found this to be the case while doing intermittent fasting on a low-carb or ketogenic diet? 📖 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… 📗 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? ▸ Research on Peptides for Nerve Regeneration and Ligament Repair if you're on a GLP-1 like semaglutide or tirzepatide for those with hypothyroidism or Hashimoto’s? ▸ Used old Mounjaro pen by mistake - should I be worried specifically for women over 40 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? ▸ What do you do when you’re having a difficult time functioning- especially at work — evidence-based answer for CFP patients for people with insulin resistance? ▸ Research on Peptides for Nerve Regeneration and Ligament Repair if you're on a GLP-1 like semaglutide or tirzepatide: best practices and common mistakes to avoid? ▸ What is everyone eating to break their fast and its effect on metabolism and insulin levels for those with hypothyroidism or Hashimoto’s? 📖 Gut-Brain Axis — The complex communication network between your digestive system and your brain that controls satiety, mood, and metaboli… ▸ Fasting means nothing….right during the weight loss plateau phase if you're on a GLP-1 like semaglutide or tirzepatide?