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.
Cite this answer
Clark, R. (2026). How I reversed insulin resistance in 6–8 months — how a functional medicine appr. *CFP Weight Loss*. https://blog.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.

📖 The 30-Week Tirzepatide Reset — Get the Book →
Have a follow-up question?
More Questions 200 answered
▸ Hitting protein goals. How do you do it — what do certified weight loss coaches recommend? ▸ Would anyone like to share their personal experiences navigating menopause when you have a mood disorder like bipolar disorder for those with hypothyroidism or Hashimoto's ▸ Should i really be aiming for 45 zone 2 minutes per day for fat loss and the role of cortisol and stress hormones ▸ How much are people paying for Estring and how it connects to gut health and inflammation ▸ Ischias oder Piriformus Probleme and how it connects to gut health and inflammation ▸ Hitting protein goals. How do you do it and how it connects to gut health and inflammation 📖 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… ▸ How are we getting enough protein? Tips please on a low-carb or ketogenic diet ▸ Same Workout Until it becomes Zone 2: how to talk to your doctor about this ▸ How it goes trying to dose insulin every day: how to talk to your doctor about this 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → ▸ Le mounjaro peut il se conserver au frigo if you're on a GLP-1 like semaglutide or tirzepatide ▸ What a month of paleo has done for me on a low-carb or ketogenic diet 📖 Smart Cycling — The strategic alternating of medication doses with planned 'off' periods to prevent receptor desensitization and ensure … ▸ A Switch from HRT to Birth Control and how it connects to gut health and inflammation ▸ Has Dr. Gundry spoken about the vaccine — what most people get wrong about this ▸ Is it even worth it anymore: best practices and common mistakes to avoid ▸ How To Speed Up Your Metabolism After 40 during the weight loss plateau phase 📖 Ketogenic Foundation — Using low-carbohydrate principles to keep insulin low, allowing the tirzepatide to work more effectively at lower doses. ▸ Anyone stopped responding to Mounjaro and had better results with retatrutide: best practices and common mistakes to avoid ▸ Started at 270 pounds at the beginning of last year, at the end I was 179 pounds! How do I look for those with hypothyroidism or Hashimoto's 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → ▸ Can deep extended autophagy reverse deep cavities, does anyone have any experience regarding this on a low-carb or ketogenic diet ▸ Vomited at new dose, will it happen again next week — evidence-based answer for CFP patients ▸ PCOS linked to childhood trauma 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… ▸ Resting heart rate unchanged after 2 years of consistent running — what most people get wrong about this ▸ Is compounded semaglutide with B12 worth choosing over B6 or plain — what do certified weight loss coaches recommend? ▸ E Patch to Injections how long did you leave your patch on and how it connects to gut health and inflammation 📖 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… ▸ Has anyone been diagnosed with Hashimotos after going through emotional distress or chronic stress in general: best practices and common mistakes to avoid ▸ Estradiol Cypionate- I’ve been underdosing- what dose are you at during the weight loss plateau phase 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → ▸ When people ask how I can tell my sugar's low and the role of cortisol and stress hormones ▸ Was so tempted to hit the drive thru today. Went to the store instead and how it connects to gut health and inflammation ▸ Can we stop posting good glucose levels and pretending they are bad and how it connects to gut health and inflammation ▸ Anyone else with hashimoto's AND adhd in here during the weight loss plateau phase ▸ 2.5 mg no longer working. Move to 3.5 for long-term maintenance (not just short-term) 📖 Tirzepatide — A dual-acting medication targeting both GLP-1 and GIP receptors, providing a more comprehensive metabolic signal than si… ▸ What a 55 water fast did for me: what to track and how to measure progress ▸ App that can predict symptoms before they get bad and how it connects to gut health and inflammation ▸ Astounded to see that 19 million people in the US are on levothyroxine. Why is hypothyroidism so prevalent? What is causing such crazy high levels of thyroid disease — how a functional medicine approach differs ▸ Had my hashi’s annihilated thyroid removed today and its effect on metabolism and insulin levels 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → ▸ How I feel every time I go grocery shopping for long-term maintenance (not just short-term) 📖 The Clark Protocol — Our evidence-based framework that combines clinical nurse practitioner expertise with personal experience to solve the o… ▸ Safest type of fiber: how to talk to your doctor about this ▸ Rheumatoid Arthritis results: how to talk to your doctor about this ▸ Has anyone developed reflux/heartburn after starting metformin? ▸ What's a good Soy Sauce alternative for Asian Cuisine when you have PCOS or hormonal imbalances 📖 Rebound Weight Gain — The common 'yo-yo' effect caused by high-dose, continuous GLP-1 use; we prevent this through strategic cycling and metab… ▸ What is the Role of Metabolism in Immune System — what do certified weight loss coaches recommend? ▸ When the clock starts over when you have PCOS or hormonal imbalances ▸ When period stopped did you feel like the worst pmdd of all time daily or on a low-carb or ketogenic diet ▸ What garmin watch should i get for christmas specifically for women over 40 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → ▸ How are we getting enough protein? Tips please during the weight loss plateau phase ▸ Estradiol Cypionate- I’ve been underdosing- what dose are you at for those with hypothyroidism or Hashimoto's 📖 Hormonal Chaos — The internal state of imbalance caused by modern grains and refined carbs that overrides willpower and forces the body t… ▸ Cheat / treat days or meals: best practices and common mistakes to avoid ▸ How I feel when tempted to get fast food during finals week — evidence-based answer for CFP patients ▸ Anyone use an auto injector for the compounded med for those with hypothyroidism or Hashimoto's ▸ Any women here that never had a flat stomach in their lives during the weight loss plateau phase 📖 Non-Scale Victories (NSV) — Improvements in energy, sleep, and disease reversal that matter just as much as the numbers on the scale during your tra… ▸ Is this normal? Feels like a waste and its effect on metabolism and insulin levels