Expert Q&A

Does anyone have a normal A1C, but high insulin — what do certified weight loss coaches recommend if you're on a GLP-1 like semaglutide or tirzepatide?

Understanding Normal A1C With Elevated Insulin

Many patients arrive at our clinic with a perfectly normal A1C yet fasting insulin levels above 10–15 μU/mL. This pattern reveals early insulin resistance that standard glucose tests miss. Your pancreas still produces enough insulin to keep blood sugar looking normal, but it works overtime. Over time this drives inflammation, stubborn weight gain around the midsection, and hormonal disruption—especially in the 45–54 age group navigating perimenopause or andropause. In The 30-Week Tirzepatide Reset we track fasting insulin as a primary biomarker because it predicts future metabolic trouble long before A1C rises.

Why GLP-1 Medications Like Tirzepatide Need a Complete Protocol

Tirzepatide and semaglutide are powerful tools, but relying on them alone is one of the two biggest mistakes I see. These medications improve insulin sensitivity temporarily, yet without removing dietary triggers like grains, lectins, and ultra-processed carbs, the underlying resistance returns once cycling ends. Our protocol uses low-dose tirzepatide cycling across three 70-day cycles to give the body a metabolic “reset” while we rebuild natural regulation. We pair this with a precise lectin-free low-carb meal plan—221 recipes that eliminate the inflammatory foods driving high insulin. Patients also use targeted supplements like our Brown Detox Drops to lower toxin burden that impairs mitochondrial function and Pink Drops to accelerate fat loss during the active phases.

Practical Steps We Recommend for Clients

Begin with baseline labs including fasting insulin, C-peptide, HOMA-IR, and inflammatory markers. Walk daily using Japanese-style intervals—brisk three minutes followed by easy recovery—to improve muscle glucose uptake without joint stress that many fear. Add red light therapy sessions three times weekly; our Unlimited Red Bed Club members consistently report better sleep and lower fasting insulin within six weeks. Focus on non-scale victories: energy levels, clothing fit, blood pressure trends, and morning glucose readings. Chaotic intermittent fasting in the final 10 weeks teaches the hypothalamus to regulate hunger naturally. Insurance rarely covers these programs, so we designed everything for middle-income families—simple real-food lists, no complicated macros, and telehealth check-ins that fit busy schedules.

Real Results From Our Protocol

John, a 52-year-old with normal A1C but insulin at 18 μU/mL, followed the exact steps in The 30-Week Tirzepatide Reset. After one box of cycled tirzepatide, lectin-free eating, Detox Drops, and daily walking his insulin dropped to 7. His joint pain vanished, blood pressure normalized, and he lost 38 pounds he has kept off for 14 months using maintenance habits alone. Stories like his prove you can address the root cause instead of staying on medication forever. The shift from “I need this shot to stay thin” to metabolic freedom is the single most important mindset change I teach.

💬 What the Community Says

Patients on semaglutide or tirzepatide frequently report normal A1C readings yet fasting insulin levels that remain stubbornly high, often between 12–22 μU/mL. Many describe frustration after seeing weight loss stall despite strict adherence. A common theme is surprise when coaches order expanded labs beyond standard A1C and glucose. Most forum participants praise protocols that combine low-dose cycling with anti-inflammatory diets, noting reduced joint pain and better energy. Debates center on whether insurance-covered GLP-1s alone are enough or if specialized supplements and red light therapy justify extra cost. Beginners often feel overwhelmed by conflicting advice about carbs versus lectins; experienced users emphasize tracking non-scale victories and HOMA-IR over the scale. A vocal minority worries about lifelong medication dependency, while others share success stories of insulin normalizing after 20–30 weeks of structured cycling and real-food changes. Overall sentiment leans toward integrated approaches that address root causes rather than medication in isolation.
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-if-you-re-on-a-glp-1-like-semaglutide-or-tirzepatide
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
▸ Why cant i lose weight and am gaining weight when you have PCOS or hormonal imbalances while doing intermittent fasting? ▸ When do you know to go to the hospital specifically for women over 40? ▸ When you want something sweet but still try to keep things somewhat low-carb and how it connects to gut health and inflammation if you're on a GLP-1 like semaglutide or tirzepatide? 📖 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… ▸ Making me super tired and in a dreamy, chill, ready for a nap state for most of the day and its effect on metabolism and insulin levels for long-term maintenance (not just short-term)? ▸ What to do if you have to eat late dinners?? How to process the dinner quicker so I'm not burping all night long while doing intermittent fasting: what to track and how to measure progress? ▸ Good calorie amount? Advice to get high volume low cal and more protein when you have PCOS or hormonal imbalances — what the research actually says? ▸ My weight loss progress so far as a 23 year male who stared eating less unhealthy and does little to moderate exercise. Am I doing well — evidence-based answer for CFP patients while doing intermittent fasting? 📖 Modern Wheat Dangers — The hidden threat in hybridized grains that causes gut inflammation and spikes blood sugar more aggressively than pure t… ▸ Do you guys eat 100% clean all the time — what does the research actually say for those with hypothyroidism or Hashimoto’s? ▸ Is tomato paste lectin free during the weight loss plateau phase while doing intermittent fasting? ▸ Exercise — when and what kind while fasting, and does it enhance autophagy — how a functional medicine approach differs 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 ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients — what certified coaches recommend? 📖 Amylopectin A — The specific starch found in modern wheat that causes rapid, dangerous spikes in blood glucose and promotes belly fat st… ▸ What exactly am I supposed to feel when on mounjaro and how do I know if it's working specifically for women over 40 while doing intermittent fasting? ▸ Testosterone how long does it take to work while doing intermittent fasting if you're on a GLP-1 like semaglutide or tirzepatide? ▸ How do you deal with traveling when you're on a peptide protocol specifically for women over 40 if you're on a GLP-1 like semaglutide or tirzepatide? 📖 30-Week Tirzepatide Reset — Our signature protocol using a single 60 mg box of medication cycled over 30 weeks to achieve lasting metabolic transfor… ▸ When the fatigue is real: how to talk to your doctor about this for people with insulin resistance? ▸ Do yall ever daydream of who you were before your diagnosis when you have PCOS or hormonal imbalances when you have PCOS or hormonal imbalances? ▸ 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? ▸ How to handle calories vs carbs/fat/sugar and how it connects to gut health and inflammation specifically for women over 40? 📖 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 ▸ 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? ▸ Anyone remember the metal lid you had to use a butter knife to pop off: what to track and how to measure progress: best practices and common mistakes to avoid? ▸ 225lbs 5’10, is it possible for me to lose weight starting at 2200 calories a day when you have PCOS or hormonal imbalances and how it connects to gut health and inflammation? ▸ Lost weight not exactly willingly and everybody’s weird about it for long-term maintenance (not just short-term) — what the research actually says? ▸ 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? ▸ How to calm my nerves down at doctors — what do certified weight loss coaches recommend if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Is compounded semaglutide with B12 worth choosing over B6 or plain: best practices and common mistakes to avoid — what certified coaches recommend? 📖 Anti-Inflammatory Protocol — A way of eating that prioritizes whole foods and eliminates triggers to quiet the internal 'fire' that prevents fat cell… ▸ Is it just me or is Hashimoto’s greatly underrepresented on a low-carb or ketogenic diet — what the research actually says? ▸ Lost weight not exactly willingly and everybody’s weird about it for long-term maintenance (not just short-term) 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? 📖 Diabetes Reversal — The clinical goal of restoring normal blood sugar levels and insulin function, as seen in patients like John who no long… 📗 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 TO DO AN AGGRESSIVE CUT WITH A STRESSFUL LIFESTYLE on a low-carb or ketogenic diet for people with insulin resistance? ▸ 42yom Im finding it much harder to lose weight, what are some things I can do now to start losing weight? ▸ Weight loss without GLP-1 — what does the research actually say while doing intermittent fasting? ▸ I have an iodine deficiency. Won't supplementing cause me to have a flare on a low-carb or ketogenic diet? 📖 High-Dose Dependency — The pharmaceutical trap of staying on maximum medication doses indefinitely, which we avoid through our smart cycling me… ▸ Traveling with IBS-D to a 5-day conference in San Diego: how do you manage food — what most people get wrong about this during the weight loss plateau phase? ▸ Should I be worried yet, been sitting for 5 days no movement while doing intermittent fasting: best practices and common mistakes to avoid? ▸ How much protein should I eat if I weigh 280 pounds and want to cut a 100 pounds of fat off of my body? ▸ Were any of you guys fans of Journey? How big were they — what the research actually says? 📖 CICO (Calories In, Calories Out) — An outdated model of weight loss that ignores the role of hormones; we challenge this by focusing on food quality and ho… ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for long-term maintenance (not just short-term)? ▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what do certified weight loss coaches recommend 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 ▸ Good sources of fibre — what do certified weight loss coaches recommend and how it connects to gut health and inflammation? ▸ Have you seen this? Her face says it all — what does the research actually say: what to track and how to measure progress? ▸ Got diagnosed today, where do i go from here — what do certified weight loss coaches recommend — what certified coaches recommend? ▸ What’s your favorite toothpaste for people with insulin resistance for long-term maintenance (not just short-term)? ▸ Difference between a 3 day and 5 day water fast for autophagy and the role of cortisol and stress hormones for people with insulin resistance? 📖 Nutrient Density — Prioritizing foods that provide maximum vitamins and minerals per calorie to satisfy the brain and end the cycle of hidd… ▸ Can you really Metformin (6 weeks in) for insulin resistance — can the gut stuff actually get better on a low-carb or ketogenic diet? ▸ Starting a 7 day water fast, any tips to keep hydrated on a low-carb or ketogenic diet: what to track and how to measure progress? ▸ What to do if you have to eat late dinners?? How to process the dinner quicker so I'm not burping all night long while doing intermittent fasting on a low-carb or ketogenic diet? 📗 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 ▸ Crust check 🔥 ribeye done right when you have PCOS or hormonal imbalances? ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this: best practices and common mistakes to avoid? ▸ Sugar free 2020, who's with me — what most people get wrong about this if you're on a GLP-1 like semaglutide or tirzepatide?