Expert Q&A

How I reversed insulin resistance in 6–8 months — how a functional medicine approach differs

My Personal Journey Reversing Insulin Resistance

As the founder of CFP Weight Loss and author of The CFP Method, I reversed my own insulin resistance in 6-8 months using a functional medicine lens. At 48, I faced the same struggles many in their mid-40s and 50s encounter: creeping weight gain despite calorie counting, rising blood sugar, joint pain that made movement feel impossible, and hormonal shifts amplifying every challenge. Conventional advice left me frustrated after years of failed diets. Functional medicine changed everything by targeting root causes rather than symptoms.

What Is Insulin Resistance and Why It Matters for Weight Loss

Insulin resistance occurs when cells stop responding efficiently to insulin, forcing your pancreas to produce more. This leads to higher blood sugar, fat storage around the midsection, and increased risk for type 2 diabetes and hypertension. In my practice, I see clients with A1C levels between 5.7-6.4 who feel exhausted and embarrassed to seek help. The CFP Method addresses this by measuring fasting insulin (not just glucose) and HOMA-IR scores. My levels dropped from 3.2 to 1.1 within eight months through targeted changes.

How Functional Medicine Differs from Conventional Approaches

Conventional medicine often prescribes metformin and recommends generic low-calorie diets without exploring underlying triggers like gut inflammation, toxin exposure, or thyroid imbalances. Functional medicine, as detailed in my book, digs deeper with comprehensive testing: stool analysis for microbiome health, food sensitivity panels, and hormone mapping. Instead of restrictive meal plans that don't fit busy schedules, I emphasize sustainable shifts. For joint pain, we start with anti-inflammatory foods and gentle movement like 20-minute daily walks rather than intense gym sessions. This approach respects insurance limitations by focusing on affordable, evidence-based lifestyle upgrades that also manage blood pressure and diabetes markers.

Practical Steps That Delivered Results in 6-8 Months

First, I stabilized blood sugar with a protein-first eating pattern: 30g protein at breakfast within 90 minutes of waking. I eliminated ultra-processed carbs and incorporated 5-7 servings of non-starchy vegetables daily. Sleep optimization proved critical—7-8 hours with consistent bedtime reduced cortisol-driven cravings. For exercise, I used resistance bands at home three times weekly to build muscle without aggravating joints. Supplements like berberine (500mg twice daily), magnesium glycinate, and omega-3s supported mitochondrial function. Tracking progress with a continuous glucose monitor revealed which foods spiked my levels, allowing precise adjustments. By month six, my energy returned, joint discomfort eased, and I lost 28 pounds of visceral fat. The CFP Method makes this accessible for middle-income families by avoiding expensive programs.

Long-Term Success and What to Expect

Reversing insulin resistance isn't a quick fix but a rewiring of metabolism. Most clients see fasting insulin improvements by month three and significant weight shifts by month six when following the protocol consistently. The biggest mindset shift is moving from shame to empowerment—no more conflicting nutrition advice when you understand your unique biomarkers. If you're overwhelmed and managing multiple conditions, this root-cause strategy offers hope without relying on covered treatments alone.

💬 What the Community Says

In online forums and support groups, many in the 45-55 age range share stories of frustration with standard diabetes care that only manages symptoms. Most report that functional or integrative approaches helped them lower A1C and lose weight after conventional diets repeatedly failed, often citing better energy and reduced joint pain within 6-9 months. A common theme is appreciation for testing beyond basic bloodwork, like checking fasting insulin. However, the community is split on cost—some find supplements and private labs worth it despite insurance gaps, while others struggle with accessibility and question if results are sustainable long-term. Beginners frequently express relief at finding simple meal frameworks that fit real schedules rather than complex plans, though a vocal minority warns against self-diagnosing without professional guidance. Lived experiences highlight hormonal changes in perimenopause or andropause as major barriers that standard advice overlooks.
Clark, R. (2026). How I reversed insulin resistance in 6–8 months — how a functional medicine appr. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/how-i-reversed-insulin-resistance-in-6-8-months-how-a-functional-medicine-approach
Russell Clark, 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.

Have a follow-up question?
More Questions 200 answered
Cheat / treat days or meals and its effect on metabolism and insulin levels How long did you carry a pad post-menopause for people with insulin resistance PCOS linked to childhood trauma for those with hypothyroidism or Hashimoto's When period stopped did you feel like the worst pmdd of all time daily or: how to talk to your doctor about this Rage - too much progesterone or too little eostrogen: what to track and how to measure progress Do people feel comfortable and satisfied on PP — what does the research actually say? 📖 Metabolic Stall — A plateau in weight loss often caused by hidden inflammation or hormonal adaptation, which we break using our specific 7… What they don't tell you when you start a major weight loss plan and its effect on metabolism and insulin levels Do I need to buy the Plant paradox book if you're on a GLP-1 like semaglutide or tirzepatide 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → What was your reaction when you missed your first (menopausal) period for long-term maintenance (not just short-term) Starting my second extended fast tomorrow. Hoping for 12 days or maybe do another 42 — what does the research actually say? Used old Mounjaro pen by mistake - should I be worried — what most people get wrong about this When I smoke a little weed as a T1D and start feeling tingly on a low-carb or ketogenic diet Any women here that never had a flat stomach in their lives for long-term maintenance (not just short-term) 📖 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… Here's the things I wish I'd known back then... what are yours during the weight loss plateau phase How are we getting enough protein? Tips please — evidence-based answer for CFP patients What the hell is wrong with this sub during the weight loss plateau phase Would anyone like to share their personal experiences navigating menopause when you have a mood disorder like bipolar disorder and its effect on metabolism and insulin levels 📖 Visceral Fat — The dangerous 'hidden' fat stored around internal organs that drives chronic disease and is specifically targeted by our… 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → How To Speed Up Your Metabolism After 40 for those with hypothyroidism or Hashimoto's Vomited at new dose, will it happen again next week for those with hypothyroidism or Hashimoto's Restarted Mounjaro — low doses not working second time round? Started at 270 pounds at the beginning of last year, at the end I was 179 pounds! How do I look when you have PCOS or hormonal imbalances 📖 High-Dose Dependency — The pharmaceutical trap of staying on maximum medication doses indefinitely, which we avoid through our smart cycling me… What do you actually wish you could track on glp1s for long-term maintenance (not just short-term) How I finally stopped crashing after workouts — the training structure that actually works with Hashimoto's: best practices and common mistakes to avoid Does anyone else feel like they are living life at 50% for those with hypothyroidism or Hashimoto's Has anyone switched from brand name Premarin to the new recently released generic conjugated estrogens and feels like it is not working as well specifically for women over 40 What is this new frozen hell: best practices and common mistakes to avoid Has Gundry ever explained why he thinks APOE4 carriers love cheese so much specifically for women over 40 📖 Phase 2: Aggressive Loss — A 40-day window of focused fat loss supported by low-dose medication and a specific lectin-free, low-carb nutritional fr… 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Why has no doctor explained this to me: what to track and how to measure progress Anyone stretching out to 3 weeks between shots when you have PCOS or hormonal imbalances How many of you with PCOS had a narcissistic parent growing up: what to track and how to measure progress Have to stop for 3 weeks for surgery — what most people get wrong about this 📖 30-Week Tirzepatide Reset — Our signature protocol using a single 60 mg box of medication cycled over 30 weeks to achieve lasting metabolic transfor… Here's the things I wish I'd known back then... what are yours specifically for women over 40 Anyone have experience switching from compound injection to pill specifically for women over 40 What do you actually wish you could track on glp1s: best practices and common mistakes to avoid Should we start a new subreddit, that prioritizes evidence-based treatment approaches and science: how to talk to your doctor about this Did my hashimoto cause this — evidence-based answer for CFP patients 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → How I Lost 22lbs in 3 Months (155→133lbs at 5'8") after not being able to lose weight for a long time — what does the research actually say? Anyone here works in sales? Does carnivore have positive or negative effect on you? 📖 Caloric Deficit Myth — The false belief that weight loss is purely 'math'; we focus on hormonal signaling rather than just counting calories to… What finally worked for my PCOS — what does the research actually say? When I want to lose weight fast I fast? When men recognize symptoms for long-term maintenance (not just short-term) 📖 Modern Wheat Dangers — The hidden threat in hybridized grains that causes gut inflammation and spikes blood sugar more aggressively than pure t… Can we talk about the founder on a low-carb or ketogenic diet How it looks when you lose 170 lbs. but are still a fat man during the weight loss plateau phase Had my hashi’s annihilated thyroid removed today — evidence-based answer for CFP patients 📖 Autophagy — The body's natural 'housecleaning' process that occurs during fasting or low-insulin states, promoted during our mainten… When period stopped did you feel like the worst pmdd of all time daily or specifically for women over 40 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → What are the biggest misconceptions you’ve seen about GLP-1s — what most people get wrong about this What is this new frozen hell — what does the research actually say? 📖 Diabetes Reversal — The clinical goal of restoring normal blood sugar levels and insulin function, as seen in patients like John who no long… Parent obese, what should I recommend ? Smoking while on glp1 Two week pause, ok to return to current dose if you're on a GLP-1 like semaglutide or tirzepatide