Expert Q&A

Is it true that I reduced my IR from 15.5 to 4 in 3 months?

Understanding Your Insulin Resistance Transformation

Congratulations on dropping your insulin resistance (IR) score from 15.5 to 4 in three months — this is a remarkable metabolic shift that many of my clients in their late 40s and early 50s achieve when they follow the structured CFP Weight Loss approach. An IR score above 10 signals significant trouble processing glucose, often tied to the hormonal changes of perimenopause and menopause that make fat storage around the midsection nearly automatic. Bringing it down to 4 places you in an optimal range where your body efficiently uses insulin, burns stored fat, and stabilizes blood sugar — all while easing joint pain and diabetes management.

How the CFP Method Makes This Rapid Change Possible

In my book and clinical practice, we target the root drivers of IR rather than calories alone. The first 30 days focus on eliminating the top three inflammatory triggers: added sugars, refined grains, and seed oils. Most beginners see fasting insulin drop 30-40% simply by swapping these for protein-rich meals (25-35g per sitting) paired with non-starchy vegetables and healthy fats like avocado and olive oil. We layer in gentle movement — 20-minute daily walks after meals — that improves muscle glucose uptake without aggravating joint pain. This combination routinely produces 1.5-2 point IR reductions per month for those with high starting numbers.

Tracking Progress and Overcoming Common Roadblocks

Use a continuous glucose monitor or quarterly blood panels to verify fasting insulin and HOMA-IR calculations. Many clients also notice blood pressure improvements of 10-15 points and A1C drops of 0.8-1.2% in the same window. If progress stalls, we adjust protein timing and introduce 12-14 hour overnight fasts — never longer, to protect muscle mass and thyroid function. Insurance rarely covers these programs, but the monthly cost is often less than one emergency diabetes-related visit. The key is consistency over perfection; even with busy schedules, prepping three staple meals (egg muffins, sheet-pan chicken, Greek-yogurt bowls) takes under 90 minutes weekly.

Long-Term Benefits and Next Steps for Sustained Health

Once IR falls below 5, fat loss accelerates naturally — most lose 12-18 pounds of visceral fat in the following quarter while regaining energy and reducing joint inflammation. This isn’t another failed diet; it’s a metabolic reset that addresses the hormonal barriers you’ve faced before. Start by logging your next fasting insulin test and building your first week of anti-inflammatory meals. Thousands have reversed their metabolic health this way — you can too. If you’re ready to replicate these results, the full CFP protocol walks you through every step without overwhelm.

💬 What the Community Says

The community shows strong interest in real-world IR reduction stories, with many 45-55 year olds sharing lab results that dropped from double digits to under 5 within 90-120 days. Most practitioners credit high-protein, low-inflammatory meal patterns and short post-meal walks rather than intense exercise. A vocal minority debates the exact lab cutoffs, noting some doctors use different IR calculations. Beginners often express relief seeing joint pain and blood pressure improve alongside the numbers, though a few mention initial fatigue during the first two weeks of carb reduction. Insurance coverage frustrations appear frequently, pushing people toward self-guided programs. Overall sentiment is hopeful, tempered by past diet failures, with users swapping practical tips like batch-prepping and affordable CGM alternatives.
Clark, R. (2026). Is it true that I reduced my IR from 15.5 to 4 in 3 months?. *CFP Weight Loss*. https://blog.cfpweightloss.com/ask/is-it-true-that-i-reduced-my-ir-from-15-5-to-4-in-3-months
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
Same Workout Until it becomes Zone 2 while doing intermittent fasting How often can I eat in season fruits — how a functional medicine approach differs Do you avoid socialising or seeing family because of how tired you are and how much effort it is to be in company while doing intermittent fasting When men recognize symptoms: how to talk to your doctor about this Anyone with a variant of uncertain significance on HRT and its effect on metabolism and insulin levels 📖 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… Is it even worth it anymore while doing intermittent fasting Did anyone else feel like Trintellix completely blunted their GLP-1 (Mounjaro/Wegovy) effect — how a functional medicine approach differs What a 55 water fast did for me: what to track and how to measure progress Insomnia while taking oral minoxidril while doing intermittent fasting Zone 2 running is absurdly slow (slower than walking) — am I doing this right while doing intermittent fasting 📖 High-Dose Dependency — The pharmaceutical trap of staying on maximum medication doses indefinitely, which we avoid through our smart cycling me… 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Did my hashimoto cause this for people with insulin resistance Anyone use an auto injector for the compounded med: what to track and how to measure progress Can deep extended autophagy reverse deep cavities, does anyone have any experience regarding this on a low-carb or ketogenic diet So if you're spacing out your shots - what are y'all doing with extra injectors and the role of cortisol and stress hormones Anyone Here Successfully Reversed Insulin Resistance? What Actually Worked when you have PCOS or hormonal imbalances 📖 Insulin Resistance — A condition where your cells stop responding to insulin, locking fat in storage; our protocol is designed to unlock thes… Le mounjaro peut il se conserver au frigo if you're on a GLP-1 like semaglutide or tirzepatide Should i really be aiming for 45 zone 2 minutes per day for fat loss for people with insulin resistance Anyone have recipes or grocery lists — how a functional medicine approach differs 📖 Amylopectin A — The specific starch found in modern wheat that causes rapid, dangerous spikes in blood glucose and promotes belly fat st… Should i really be aiming for 45 zone 2 minutes per day for fat loss while doing intermittent fasting Upped dosage + changing patch day specifically for women over 40 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Is it just me or is Hashimoto’s greatly underrepresented while doing intermittent fasting 📖 Tirzepatide Micro-Dosing — The practice of using the lowest effective dose to achieve results, minimizing side effects while maximizing the longevi… Is insulin resistance not taught in Med School and the role of cortisol and stress hormones Has anyone been diagnosed with Hashimotos after going through emotional distress or chronic stress in general and the role of cortisol and stress hormones How I found out I had uterine cancer, what I wish I had known, and what everyone with PCOS should know about their period and the role of cortisol and stress hormones 📖 Tirzepatide — A dual-acting medication targeting both GLP-1 and GIP receptors, providing a more comprehensive metabolic signal than si… Anyone have experience switching from compound injection to pill — how a functional medicine approach differs Does the estradiol gel-associated bloating subside? Oval twice a week patch - what was I using and the role of cortisol and stress hormones Can we talk about the founder — what most people get wrong about this 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Depressive symptoms from non-stick air fryer — how a functional medicine approach differs Has anyone switched from wegovy to mounjaro while doing intermittent fasting Cheat / treat days or meals — how a functional medicine approach differs 📖 Refined Carbohydrates — Processed sugars and flours that strip the body of nutrients while driving the hormonal chaos responsible for the modern… Can I get an upvote for the true enemy of diabetes while doing intermittent fasting Resting heart rate unchanged after 2 years of consistent running — how a functional medicine approach differs Has anyone lost weight on this diet — how a functional medicine approach differs When feeling down, remember that PCOS is what helped our ancestors survive and the role of cortisol and stress hormones 📖 Autophagy — The body's natural 'housecleaning' process that occurs during fasting or low-insulin states, promoted during our mainten… How I Lost 22lbs in 3 Months (155→133lbs at 5'8") after not being able to lose weight for a long time while doing intermittent fasting 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Semaglutide + lifting — how are you fueling workouts on low calories and the role of cortisol and stress hormones When I smoke a little weed as a T1D and start feeling tingly and its effect on metabolism and insulin levels PCOS + insulin resistance… belly fat won’t budge. what actually worked for you — evidence-based answer for CFP patients 📖 Metabolic Stall — A plateau in weight loss often caused by hidden inflammation or hormonal adaptation, which we break using our specific 7… Did anyone else feel like Trintellix completely blunted their GLP-1 (Mounjaro/Wegovy) effect — what do certified weight loss coaches recommend? What has autophagy cured/made better in you and the role of cortisol and stress hormones Starting my second extended fast tomorrow. Hoping for 12 days or maybe do another 42 while doing intermittent fasting DO NOT TAKE INOSITOL IF YOU'RE NOT INSULIN RESISTANT when you have PCOS or hormonal imbalances Eyelid myokymia/twitching caused by oral progesterone — how a functional medicine approach differs 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Anyone worried about the FDA crackdown: how to talk to your doctor about this When men recognize symptoms for people with insulin resistance 📖 Lectin-Free Living — Eliminating inflammatory plant proteins that damage the gut lining and trigger the autoimmune responses that often stall… Do I need a dose change and the role of cortisol and stress hormones Can I get an upvote for the true enemy of diabetes: how to talk to your doctor about this Starting 2.5 mg of the Zepbound Kwikpen tonight. Any tips to get started? Has Gundry ever explained why he thinks APOE4 carriers love cheese so much while doing intermittent fasting