Expert Q&A

Does anyone have a normal A1C, but high insulin when you have PCOS or hormonal imbalances

Understanding Normal A1C with Elevated Insulin in PCOS

Many women in their late 40s and early 50s come to me confused after seeing normal A1C results yet discovering their fasting insulin levels are elevated. This pattern is especially common with PCOS or other hormonal imbalances. Your A1C reflects average blood glucose over 2-3 months and can stay in the "normal" range (under 5.7%) while your body is already pumping out excess insulin to keep glucose in check. This early-stage insulin resistance often flies under the radar in standard diabetes screenings but drives stubborn weight gain, fatigue, and inflammation.

In my experience working with thousands of women who have failed multiple diets, this mismatch explains why traditional calorie-cutting approaches backfire. When insulin stays high, fat storage is favored—particularly around the midsection—and hormonal signals for hunger and cravings intensify.

Why PCOS and Hormonal Changes Create This Pattern

PCOS affects up to 20% of women and is deeply tied to insulin resistance. Even with normal blood sugar, ovaries can overproduce androgens when insulin is chronically elevated, worsening symptoms like irregular cycles, acne, and hair loss. Perimenopausal hormonal shifts compound this: declining estrogen makes insulin sensitivity worse, often pushing fasting insulin above 10 μU/mL even when A1C reads 5.2%.

Joint pain, diabetes management, and blood pressure concerns frequently overlap here. The good news? You don't need expensive programs or complex meal plans. My approach in The CFP Weight Loss Method focuses on gentle, sustainable changes that lower insulin first—without triggering the rebound most dieters experience.

Testing and Tracking What Actually Matters

Request a fasting insulin test alongside your next A1C and glucose panel. Optimal fasting insulin is under 8 μU/mL; many with PCOS see 15-25 μU/mL despite normal A1C. Add a HOMA-IR calculation (fasting glucose × fasting insulin ÷ 405) to gauge true resistance—anything over 2.0 signals action is needed.

Track patterns rather than perfection. In my program, clients use simple morning checks and a food-symptom journal. This reveals how even "healthy" carbs spike insulin when hormones are imbalanced.

Practical Steps to Lower Insulin and Support Hormones

Start with protein-first meals: aim for 25-35g at breakfast within 90 minutes of waking to blunt insulin response. Pair this with 10-minute daily walks after meals—effective even with joint pain—and focus on anti-inflammatory foods like fatty fish, olive oil, and leafy greens. Reduce ultra-processed carbs to under 100g daily without rigid tracking.

Stress management and sleep matter more than most realize; cortisol raises insulin. My method includes short breathing practices that fit busy schedules. Many women see fasting insulin drop 30-50% within 8-12 weeks, easing joint discomfort and improving energy. Insurance hurdles become less relevant when these changes are low-cost and physician-friendly.

You're not failing—your body is sending a clear signal. Addressing high insulin despite normal A1C is often the missing piece for sustainable weight loss with PCOS and hormonal challenges.

💬 What the Community Says

Women in perimenopause and those with PCOS frequently report normal A1C levels (5.0-5.6%) but fasting insulin readings between 12-28 μU/mL on forums. Many describe frustration with doctors who dismiss elevated insulin if glucose looks fine, leading to years of unexplained weight gain and fatigue. A common theme is discovering this pattern only after demanding extra tests or switching providers. Most share that lowering carbs, adding morning protein, and incorporating short walks helped bring insulin down even when diets previously failed. There's lively debate about whether berberine or inositol works better as supplements, with mixed personal results. Joint pain and time constraints are repeated barriers, but many celebrate small wins like reduced cravings after 4-6 weeks of consistent changes. A vocal group warns against extreme low-carb approaches due to hormone disruption, favoring balanced plates instead. Overall sentiment reflects cautious hope mixed with lingering distrust of standard medical advice on metabolic health.
Cite this answer
Clark, R. (2026). Does anyone have a normal A1C, but high insulin when you have PCOS or hormonal i. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/does-anyone-have-a-normal-a1c-but-high-insulin-when-you-have-pcos-or-hormonal-imbalances
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.

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