Expert Q&A

Can you really anyone have a normal A1C, but high insulin for people with insulin resistance?

Why Normal A1C Can Hide Serious Insulin Resistance

Yes, you absolutely can have a normal A1C while dealing with high insulin levels and significant insulin resistance. In my 35 years of clinical practice and through the hundreds of patients who have followed the The 30-Week Tirzepatide Reset, I see this pattern constantly—especially in people aged 45-54 managing blood pressure, prediabetes, or stubborn weight that won't budge despite "healthy" efforts.

A1C measures average blood glucose over 2-3 months and often stays in the "normal" range (under 5.7%) even as fasting insulin climbs above 10-15 μU/mL. This happens because your pancreas is overproducing insulin to force glucose into resistant cells. The result? Silent inflammation, fatigue, joint pain that makes movement feel impossible, and hormonal shifts that accelerate weight gain around the middle. Most standard doctors only check A1C or fasting glucose, missing the root issue entirely.

The Real Tests That Reveal the Problem

Instead of relying on A1C alone, order a fasting insulin test, HOMA-IR score, and a 2-hour oral glucose tolerance test with insulin measurements. In our Nashville clinic and CFP Fit Now telehealth program, we routinely find patients with A1C of 5.4 who have fasting insulin of 18-25—clear insulin resistance driving their symptoms. This mismatch explains why so many feel they've "failed every diet before" and why conflicting nutrition advice leaves them overwhelmed.

The good news is your body can heal. The 30-Week Tirzepatide Reset protocol uses three 70-day cycles of low-dose tirzepatide cycling, a precise lectin-free low-carb diet with 221 real-food recipes, targeted Detox Drops, Japanese-style walking intervals, and red light therapy. These tools lower insulin demand, reduce lectin-driven gut inflammation, clear toxins, and restore hypothalamic signaling so your metabolism self-regulates again.

How the 30-Week Protocol Delivers Metabolic Freedom

Patients start with one box of tirzepatide cycled intelligently—not as lifelong dependency but as a strategic reset tool. We remove grains, ultra-processed carbs, and lectins that inflame the gut and worsen resistance. Daily habits from the book's 69 Transformation Steps include 10-15 minute walks after meals, chaotic intermittent fasting in maintenance phases, and body-composition tracking that shifts focus to non-scale victories like better energy, looser clothes, and normalized labs.

Take John, a 60-year-old with Type 2 diabetes. His A1C was 7.8 with high insulin. After 10 weeks on the protocol he dropped 25 pounds, his insulin normalized, and A1C fell to 6.2. By week 30 he was off two medications and maintaining with the habits he built. Stories like his show sustainable loss of 30-90 pounds is possible without joint-pain-inducing exercise or complex meal plans that insurance won't cover.

Breaking Free from Medication Dependency

The biggest mistake is treating symptoms with medication alone instead of rebuilding metabolic health. Our approach proves you don't need expensive injections forever. By addressing root causes—insulin resistance, toxin burden, hormonal imbalance—you achieve the metabolic freedom described in The 30-Week Tirzepatide Reset. Your body regains its natural ability to stay lean. Start with proper testing, follow the real-food roadmap, and experience the shift from yo-yo dieting to lifelong control. The hundreds of patients who've lost 30-90 pounds and kept it off demonstrate this works even when hormones and past failures made change seem impossible.

💬 What the Community Says

People in midlife forums frequently share surprise at having normal A1C yet discovering high fasting insulin through functional medicine tests. Many describe years of frustration with standard doctors who dismissed symptoms, leading to self-advocacy for HOMA-IR or full insulin panels. There's broad agreement that lectin-free and low-carb approaches help, but opinions split on using tirzepatide—some praise short-term cycling for breaking plateaus while others worry about rebound or long-term dependency. Joint pain and time constraints are recurring themes, with users appreciating protocols that avoid intense gym routines. Success stories of 30-50 pound losses with improved energy and blood pressure are common, though a vocal minority debates the cost since insurance rarely covers comprehensive programs. Overall, the community values practical, real-food strategies that deliver non-scale victories over quick fixes.
Clark, R. (2026). Can you really anyone have a normal A1C, but high insulin for people with insuli. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/can-you-really-anyone-have-a-normal-a1c-but-high-insulin-for-people-with-insulin-resistance
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
▸ 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? ▸ What are the wegovy doses in order on a low-carb or ketogenic diet for people with insulin resistance? ▸ Probiotics worked for a month then stopped. Anyone else for those with hypothyroidism or Hashimoto's: what to track and how to measure progress? ▸ Crust check 🔥 ribeye done right — what the research actually says? ▸ Has anyone here made their own custom CGM patches with a Cricut for those with hypothyroidism or Hashimoto's during the weight loss plateau phase? ▸ 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? ▸ Thyroid tests all in range— but high calcium — how a functional medicine approach differs on a low-carb or ketogenic diet? 📖 Metabolic Reset — The process of retraining your body to utilize stored fat for fuel and regulating hunger hormones so you can maintain yo… ▸ 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? 📗 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 ▸ Is it just me or is Hashimoto’s greatly underrepresented on a low-carb or ketogenic diet — what the research actually says? ▸ Does drinking Sparkling Ice (flavored sparkling water - 5 calories per bottle) during my fasting window break my fast and the role of cortisol and stress hormones during the weight loss plateau phase? ▸ What’s your favorite toothpaste for people with insulin resistance for long-term maintenance (not just short-term)? ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this and its effect on metabolism and insulin levels? ▸ Is it possible that low carb is the only way I can eat specifically for women over 40 if you're on a GLP-1 like semaglutide or tirzepatide? 📖 Metabolic Flexibility — The body’s ability to efficiently switch between burning carbohydrates and burning stored body fat based on availability… ▸ Lost weight not exactly willingly and everybody’s weird about it for long-term maintenance (not just short-term) — what the research actually says? ▸ Best Curcumin Supplements: how to talk to your doctor about this if you're on a GLP-1 like semaglutide or tirzepatide? ▸ If a random dance partner app existed .. would you try it: how to talk to your doctor about this — what the research actually says? 📗 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 ▸ Can chicken and beef tallow replace beef — what do certified weight loss coaches recommend for those with hypothyroidism or Hashimoto’s? ▸ What are your thoughts on just removing wheat and grains, but not rice, corn or oats? Anyone still had benefits — what does the research actually say 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… ▸ Thyroid tests all in range— but high calcium — how a functional medicine approach differs during the weight loss plateau phase? ▸ Does mental health predict diabetes as much as BMI? Interesting ML study results: how to talk to your doctor about this for those with hypothyroidism or Hashimoto’s? ▸ Crust check 🔥 ribeye done right for long-term maintenance (not just short-term)? ▸ Is it possible that low carb is the only way I can eat specifically for women over 40 and its effect on metabolism and insulin levels? 📖 Metabolic Stall — A plateau in weight loss often caused by hidden inflammation or hormonal adaptation, which we break using our specific 7… ▸ How are people using 10mg reta vials at low doses during the weight loss plateau phase — what the research actually says? ▸ Is tomato paste lectin free during the weight loss plateau phase 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 ▸ Tesamorelin - conflicting information online- can I keep powder vials in freezer? Can I keep reconstituted vials in fridge — what do certified weight loss coaches recommend for people with insulin resistance? 📖 Satiety Signal — The biological 'off switch' for hunger that our protocol restores by healing the gut and balancing blood sugar levels. ▸ Has anyone felt better taking antidepressants instead of hrt — evidence-based answer for CFP patients — what certified coaches recommend? ▸ Who still goes to steeplechase — what do certified weight loss coaches recommend for long-term maintenance (not just short-term)? ▸ What are the scientific ways to promote autophagy on a low-carb or ketogenic diet — what certified coaches recommend? ▸ 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? ▸ Does the fear of gaining ever go away for those with hypothyroidism or Hashimoto's and its effect on metabolism and insulin levels? 📖 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… ▸ How many were first diagnosed with OCD if you're on a GLP-1 like semaglutide or tirzepatide on a low-carb or ketogenic diet? ▸ 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 long does it take to Is Autophagy? 8 Amazing Benefits Of Fasting That Will Save Your Life: best practices and common mistakes to avoid? ▸ How much keto-ade should I safely drink: best practices and common mistakes to avoid 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 ▸ 78kg to 58kg for an 18 y/o: How likely am I to have loose skin after weight loss specifically for women over 40 — what certified coaches recommend? ▸ How I Lost 22lbs in 3 Months (155→133lbs at 5'8") after not being able to lose weight for a long time if you're on a GLP-1 like semaglutide or tirzepatide during the weight loss plateau phase? ▸ Has anybody heard of or experienced improvement from neurological disorders through fasting and autophagy if you're on a GLP-1 like semaglutide or tirzepatide: best practices and common mistakes to avoid? 📖 Strategic Fat Loading — A critical 48-hour phase at the start of the reset where we prime the body with healthy fats to trigger the transition f… ▸ Do yall ever daydream of who you were before your diagnosis when you have PCOS or hormonal imbalances if you're on a GLP-1 like semaglutide or tirzepatide? ▸ The cost of meat is soaring, especially beef. What are y’all doing to stay on budget on a low-carb or ketogenic diet? ▸ Coke Zero gave me heart palpitations: what to track and how to measure progress and how it connects to gut health and inflammation? ▸ 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? ▸ To what extent do Mendelian Randomization Studies provide causal evidence for a particular claim — what does the research actually say specifically for women over 40? ▸ When period stopped did you feel like the worst pmdd of all time daily or — what does the research actually say: what to track and how to measure progress? 📗 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 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 and its effect on metabolism and insulin levels? 📖 Modern Wheat Dangers — The hidden threat in hybridized grains that causes gut inflammation and spikes blood sugar more aggressively than pure t… ▸ Is the carnivore diet the best WOE to lose weight — what does the research actually say if you're on a GLP-1 like semaglutide or tirzepatide? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting for those with hypothyroidism or Hashimoto’s? ▸ 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? ▸ Omnipod. Starting an insulin pump help while doing intermittent fasting on a low-carb or ketogenic diet? 📖 Phase 1: Priming — The first 48 hours of a 70-day cycle focused on high-fat intake to prevent the brain from triggering a starvation respon… ▸ Were any of you guys fans of Journey? How big were they — what the research actually says? ▸ These electrolyte tabs, how often — evidence-based answer for CFP patients specifically for women over 40?