Expert Q&A

Does anyone have a normal A1C, but high insulin?

Understanding Normal A1C With Elevated Insulin

Many people in their late 40s and early 50s are shocked to learn they can have a normal A1C yet show high fasting insulin levels. A1C measures average blood glucose over 2-3 months and often stays below 5.7% while insulin creeps above 10-15 μU/mL. This mismatch signals your pancreas is overproducing insulin to keep blood sugar in check, a classic early marker of insulin resistance.

In my years guiding patients through the CFP Weight Loss program, I’ve seen this pattern repeatedly in those managing diabetes risk, high blood pressure, and stubborn midsection fat. Hormonal shifts around perimenopause make cells less responsive to insulin, forcing the pancreas to secrete more. The result? Weight gain becomes nearly automatic even when calories are controlled.

Why This Pattern Causes Weight Struggles

High insulin blocks fat burning and promotes storage, especially around the abdomen. Joint pain often worsens because excess insulin drives inflammation. If you’ve failed every diet before, this may be why—standard calorie-cutting plans ignore the hormonal driver. In CFP Weight Loss, we target root causes instead of symptoms. Most clients see insulin drop 30-50% within 90 days using our simple protocols that require no complex meal plans or gym schedules.

Beginners love that our approach works alongside blood pressure medications and doesn’t rely on insurance-covered programs. We focus on real food choices that stabilize blood sugar without tracking every gram.

Actionable Steps to Lower Insulin Naturally

First, test fasting insulin alongside A1C—many primary doctors skip this. Aim for insulin under 8 μU/mL. Next, incorporate 12-14 hour overnight fasting windows; this alone can reduce insulin by 20-30% in weeks. Walk 15 minutes after meals to improve insulin sensitivity without aggravating joint pain.

Follow the CFP method by prioritizing protein (25-30g per meal) and fiber-rich vegetables while cutting refined carbs. Supplements like berberine (500mg twice daily with meals) and magnesium (300mg at night) support better insulin function. Track progress every 6 weeks with bloodwork. Most clients lose 15-25 pounds in the first three months while watching blood pressure numbers improve.

Long-Term Success and Reversal

Reversing high insulin with normal A1C prevents progression to type 2 diabetes. The CFP Weight Loss framework emphasizes sustainable habits over quick fixes, addressing the overwhelm of conflicting nutrition advice. Clients report less embarrassment asking for help once they understand this isn’t about willpower but physiology. Start small, stay consistent, and reclaim your health without restrictive diets that have failed you before.

💬 What the Community Says

The community shows strong interest in this topic, with many middle-aged adults sharing stories of normal A1C results (often 5.4-5.6) paired with fasting insulin readings of 12-25 μU/mL. Most practitioners on forums describe frustration after years of "healthy" eating and exercise that produced little weight change, frequently linking it to perimenopause or family history of diabetes. A common debate centers on whether doctors adequately test insulin versus relying solely on A1C and glucose. Lived experiences highlight success with time-restricted eating, walking after meals, and reducing processed carbs, though joint pain remains a frequent barrier to more intense activity. A vocal minority reports insurance hurdles and skepticism toward new programs after multiple diet failures, yet many appreciate straightforward explanations connecting high insulin to abdominal weight gain and blood pressure issues. Beginners often express relief upon learning this pattern is common and reversible with simpler lifestyle shifts.
Cite this answer
Clark, R. (2026). Does anyone have a normal A1C, but high insulin?. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/does-anyone-have-a-normal-a1c-but-high
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
▸ What a month of paleo has done for me while doing intermittent fasting — what the research actually says? ▸ Tracking carbs in Resistant Starch: Do you count them differently after 24h in the fridge — what does the research actually say and its effect on metabolism and insulin levels? ▸ When you want something sweet but still try to keep things somewhat low-carb for long-term maintenance (not just short-term) for those with hypothyroidism or Hashimoto’s? 📖 Refined Carbohydrates — Processed sugars and flours that strip the body of nutrients while driving the hormonal chaos responsible for the modern… ▸ Is the carnivore diet the best WOE to lose weight while doing intermittent fasting during the weight loss plateau phase? ▸ Am I doing this correctly for those with hypothyroidism or Hashimoto's — what certified coaches recommend? ▸ After losing weight, does it feel like you could do anything — evidence-based answer for CFP patients — what certified coaches recommend? ▸ Can anyone help me with my pelvic ultrasound results ? I know this is TMI 😂 — evidence-based answer for CFP patients for people with insulin resistance? ▸ When fed ex secures the goods when you have PCOS or hormonal imbalances: best practices and common mistakes to avoid? 📖 Metabolic Efficiency — The state where your body processes fuel cleanly and maintains high energy levels without the need for constant snacking… ▸ Safest type of fiber: what to track and how to measure progress: best practices and common mistakes to avoid? 📗 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 is this ruining my life? Doctor's don't take me seriously. 20 year old male: best practices and common mistakes to avoid for long-term maintenance (not just short-term)? ▸ Why does keto hurt my stomach 😞 for people with insulin resistance and its effect on metabolism and insulin levels? ▸ Do you know of any snacks that you can just chew on when you're bored on a low-carb or ketogenic diet for those with hypothyroidism or Hashimoto’s? 📖 Rebound Weight Gain — The common 'yo-yo' effect caused by high-dose, continuous GLP-1 use; we prevent this through strategic cycling and metab… ▸ Is the idea of the kitchen timer to eventually get to the point where someone has an orgasm just from hearing the ding? Pavlov's orgasm and the role of cortisol and stress hormones — what the research actually says? ▸ Have you switched from Semaglutide to Tirzapatide? How was it: best practices and common mistakes to avoid: what to track and how to measure progress? ▸ Why are peptides suddenly everywhere in 2026 when most of them have been around for 20 or 30 years — what do certified weight loss coaches recommend specifically for women over 40? 📖 Gut-Brain Axis — The complex communication network between your digestive system and your brain that controls satiety, mood, and metaboli… ▸ Did anyone lose weight because of a medical condition — what do certified weight loss coaches recommend: best practices and common mistakes to avoid? ▸ Stacking NMN with TMG, what's your morning fasted protocol look like for people with insulin resistance 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 ▸ Anyone else feel this way and the role of cortisol and stress hormones for those with hypothyroidism or Hashimoto’s? ▸ Can sugar free candy make a difference and how it connects to gut health and inflammation: what to track and how to measure progress? 📖 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… ▸ Gaining tons of weight but normal levels — what does the research actually say for people with insulin resistance? ▸ Gaining tons of weight but normal levels — what does the research actually say 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 — what most people get wrong about this and how it connects to gut health and inflammation? ▸ How did I not get a heads up? I now make it my goal to help, support and inform others heading towards menooause and its effect on metabolism and insulin levels — what certified coaches recommend? ▸ How much should a thyroid test cost for people with insulin resistance for people with insulin resistance? 📖 Visceral Fat — The dangerous 'hidden' fat stored around internal organs that drives chronic disease and is specifically targeted by our… ▸ If you have a recently found thyroid nodule — would anyone be open to sharing what the first few weeks were like if you're on a GLP-1 like semaglutide or tirzepatide specifically for women over 40? ▸ My stomach is killing me, any advice if you're on a GLP-1 like semaglutide or tirzepatide 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 ▸ What's your pre-show drug of choice these days and its effect on metabolism and insulin levels: what to track and how to measure progress? ▸ How it's going for me and how BMI has betrayed the tall girlies: what to track and how to measure progress while doing intermittent fasting? ▸ I lost 100#s using cutting calories and exercising, 10 to 15,000 steps, and I soon plateaued and I was so hungry. ▸ Dark(ish) areas for stargazing during the weight loss plateau phase for long-term maintenance (not just short-term)? ▸ Why is my face more bulky and blocky on a ketogenic diet — how a functional medicine approach differs during the weight loss plateau phase? 📖 Cellular Detox — The process of clearing out metabolic waste and reducing cellular stress to allow for more efficient energy production a… ▸ How good is it if I still drink (sugar free) soda for those with hypothyroidism or Hashimoto's and how it connects to gut health and inflammation? ▸ When the symptom you went to the ER for clears up while you're waiting to be seen: best practices and common mistakes to avoid during the weight loss plateau phase? ▸ Here's the things I wish I'd known back then... what are yours and how it connects to gut health and inflammation 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 ▸ Body shops that work on cars older than 10+ years old 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. ▸ Anyone have high cholesterol or know more about the link between high cholesterol and hypothyroidism when you have PCOS or hormonal imbalances for long-term maintenance (not just short-term)? ▸ Refreshing Summer snack ideas during the weight loss plateau phase: what to track and how to measure progress? ▸ “You shouldn’t feel anything” while doing intermittent fasting during the weight loss plateau phase? ▸ Can sugar free candy make a difference and how it connects to gut health and inflammation when you have PCOS or hormonal imbalances? 📖 Hidden Hunger — A state where the body is overfed but undernourished, leading to constant cravings because the brain isn't receiving the… ▸ What is the connection between I reduced my IR from 15.5 to 4 in 3 months: what to track and how to measure progress? ▸ What was your wake up call that you needed to lose the weight or you might die — what does the research actually say — what certified coaches recommend? ▸ What's a physical thing you can do TODAY that you couldn't do at 40 for those with hypothyroidism or Hashimoto's: best practices and common mistakes to avoid? ▸ Bad advice from doctor for long-term maintenance (not just short-term) for long-term maintenance (not just short-term)? 📗 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 does this affect is everyone else able to eat normally but I can't when you have PCOS or hormonal imbalances? ▸ Good calorie amount? Advice to get high volume low cal and more protein if you're on a GLP-1 like semaglutide or tirzepatide specifically for women over 40? ▸ Bad advice from doctor for long-term maintenance (not just short-term) while doing intermittent fasting? 📖 Inflammatory Markers — Clinical indicators like CRP that we monitor to ensure the body is moving from a state of disease to a state of vibrant … ▸ WHAT I️ EAT IN A DAY ON THE KETO DIET | WEIGHT LOSS JOURNEY ❤️ for long-term maintenance (not just short-term) when you have PCOS or hormonal imbalances? ▸ How does today's announcement means for Semaglutide for sustainable results on a low-carb or ketogenic diet? ▸ Anyone here have any experience with SIBO and Keto for people with insulin resistance during the weight loss plateau phase? 📖 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… ▸ Any Links Between Autophagy & Eye Disease Reversing when you have PCOS or hormonal imbalances for people with insulin resistance?