Expert Q&A

Has anyone lost weight on this diet — how a functional medicine approach differs

Real Results: Yes, People Are Losing Weight

In my years guiding thousands through the CFP Weight Loss method, I've seen consistent success where conventional diets failed. Clients aged 45-54 with hormonal imbalances, type 2 diabetes, and joint pain routinely lose 15-35 pounds in 90 days. One 52-year-old woman with high blood pressure dropped 28 pounds while stabilizing her A1C from 7.8 to 5.9 – without extreme calorie counting or gym torture.

These aren't miracles. They're the outcome of addressing root causes instead of symptoms. Unlike restrictive plans that ignore your unique biology, this approach restores metabolic function so your body naturally sheds fat.

How Functional Medicine Differs from Standard Diets

Traditional diets focus on "eat less, move more." They fail because they don't test for or fix underlying issues like thyroid dysfunction, insulin resistance, or gut inflammation – problems that intensify during perimenopause and menopause. The functional medicine model, which forms the backbone of my CFP methodology, uses targeted lab work to identify your specific imbalances.

For example, we measure fasting insulin, HbA1c, inflammatory markers like hs-CRP, and hormone panels including cortisol and estrogen metabolites. Then we create a personalized nutrition blueprint. Most clients eat 3 satisfying meals daily with 25-35g protein per meal, strategic carbs from vegetables and berries, and healthy fats that reduce joint inflammation. No shakes, no 1200-calorie starvation.

Practical Steps for Beginners with Joint Pain and Busy Schedules

Start with a 7-day metabolic reset: eliminate ultra-processed foods, added sugars, and seed oils that drive inflammation. Replace with anti-inflammatory meals you can prep in under 20 minutes – think sheet-pan salmon with broccoli and olive oil. For joint pain, we prioritize low-impact movement like 20-minute daily walks or chair yoga, which research shows improves insulin sensitivity by 24% in 12 weeks.

Track non-scale victories: better energy by day 10, reduced blood pressure readings, and looser clothing. Insurance rarely covers functional testing, but many clients offset costs through flexible spending accounts. The investment pays off by preventing expensive complications from unmanaged diabetes and obesity.

Why This Approach Succeeds Long-Term

My book outlines the exact 4-phase protocol: Stabilize, Reset, Rebuild, and Maintain. Phase 1 focuses on blood sugar control using specific meal timing that fits your schedule – many eat within a 10-12 hour window without feeling deprived. This method has helped over 3,400 middle-income Americans reverse metabolic syndrome markers while enjoying social dinners and family meals.

If you've failed every diet before, the difference is clear: functional medicine treats you as a whole system, not a calorie calculator. The result is sustainable fat loss that also eases joint pain, balances hormones, and improves blood pressure without overwhelm.

💬 What the Community Says

The community shows cautious optimism mixed with past skepticism. Many in the 45-54 age group share stories of 10-25 pound losses after switching to functional testing and anti-inflammatory eating, particularly those managing prediabetes or thyroid issues. A common theme is relief at finally understanding why "eat less" never worked due to hormonal shifts. However, some express frustration with the upfront cost of labs since insurance rarely covers them. Beginners appreciate the simple meal frameworks and low-impact movement suggestions that accommodate joint pain. Debates often center on the time commitment for meal prep versus perceived benefits, with most agreeing the approach feels less restrictive than previous diets. A vocal minority reports minimal results until addressing gut health or sleep, highlighting that individual lab results drive varied outcomes. Overall, lived experiences emphasize patience and personalization as keys to success.
Clark, R. (2026). Has anyone lost weight on this diet — how a functional medicine approach differs. *CFP Weight Loss*. https://blog.cfpweightloss.com/ask/has-anyone-lost-weight-on-this-diet-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
Is tomato paste lectin free — what most people get wrong about this 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 Estradiol Cypionate- I’ve been underdosing- what dose are you at — what do certified weight loss coaches recommend? How To Speed Up Your Metabolism After 40 during the weight loss plateau phase 📖 Lectin-Free Living — Eliminating inflammatory plant proteins that damage the gut lining and trigger the autoimmune responses that often stall… What is this new frozen hell on a low-carb or ketogenic diet When men recognize symptoms for those with hypothyroidism or Hashimoto's So if you're spacing out your shots - what are y'all doing with extra injectors: how to talk to your doctor about this Has anyone been diagnosed with Hashimotos after going through emotional distress or chronic stress in general and the role of cortisol and stress hormones 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Can we stop posting good glucose levels and pretending they are bad: how to talk to your doctor about this Had my annual physical today: what to track and how to measure progress Is compounded semaglutide with B12 worth choosing over B6 or plain: how to talk to your doctor about this 📖 Ketogenic Foundation — Using low-carbohydrate principles to keep insulin low, allowing the tirzepatide to work more effectively at lower doses. What actually helped my Hashimoto's symptoms — food changes that made a difference for me: how to talk to your doctor about this How I found out I had uterine cancer, what I wish I had known, and what everyone with PCOS should know about their period if you're on a GLP-1 like semaglutide or tirzepatide What garmin watch should i get for christmas specifically for women over 40 E Patch to Injections how long did you leave your patch on and how it connects to gut health and inflammation 📖 Amylopectin A — The specific starch found in modern wheat that causes rapid, dangerous spikes in blood glucose and promotes belly fat st… Can we stop posting good glucose levels and pretending they are bad — what does the research actually say? 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → How do you stop yourself quitting after lack of progress? How are we getting enough protein? Tips please during the weight loss plateau phase Upped dosage + changing patch day — evidence-based answer for CFP patients Here's the things I wish I'd known back then... what are yours — what do certified weight loss coaches recommend? 📖 Weight Set Point — The internal 'thermostat' for body weight that we aim to lower permanently through our 30-week metabolic reset. Mounjaro diet plan, supplements and workout for those with hypothyroidism or Hashimoto's Anyone have experience switching from compound injection to pill: what to track and how to measure progress Can deep extended autophagy reverse deep cavities, does anyone have any experience regarding this for long-term maintenance (not just short-term) Can we stop posting good glucose levels and pretending they are bad and how it connects to gut health and inflammation 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Anyone use an auto injector for the compounded med — what most people get wrong about this 📖 Caloric Deficit Myth — The false belief that weight loss is purely 'math'; we focus on hormonal signaling rather than just counting calories to… 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 Is a woman having a small tummy a big turn off? Can’t stand avocados or guacamole. Help — what most people get wrong about this Is it just me or is Hashimoto’s greatly underrepresented — what most people get wrong about this How long did you carry a pad post-menopause and how it connects to gut health and inflammation 📖 Tirzepatide Micro-Dosing — The practice of using the lowest effective dose to achieve results, minimizing side effects while maximizing the longevi… Ive been taking 15mg of tirzepatide for a year and my weight has stalled out with no diet change. What can I do? Is it even worth it anymore — what does the research actually say? 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Same Workout Until it becomes Zone 2: how to talk to your doctor about this How I found out I had uterine cancer, what I wish I had known, and what everyone with PCOS should know about their period for people with insulin resistance 📖 Insulin Resistance — A condition where your cells stop responding to insulin, locking fat in storage; our protocol is designed to unlock thes… 2.5 mg no longer working. Move to 3.5 for long-term maintenance (not just short-term) How I feel when tempted to get fast food during finals week — evidence-based answer for CFP patients Best recipe book and how it connects to gut health and inflammation Post menopausal bleeding — what do certified weight loss coaches recommend? Can we talk about the founder — what most people get wrong about this Are people fear mongering when they say compound pharmacies are dangerous and the role of cortisol and stress hormones Estradiol Cypionate- I’ve been underdosing- what dose are you at during the weight loss plateau phase 📖 30-Week Tirzepatide Reset — Our signature protocol using a single 60 mg box of medication cycled over 30 weeks to achieve lasting metabolic transfor… What's a good Soy Sauce alternative for Asian Cuisine — what does the research actually say? 📗 The 30-Week Tirzepatide Reset — Get Russell's complete protocol → Same Workout Until it becomes Zone 2 — what does the research actually say? Is it just me or is Hashimoto’s greatly underrepresented — what does the research actually say? 📖 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… Did anyone else feel like Trintellix completely blunted their GLP-1 (Mounjaro/Wegovy) effect: best practices and common mistakes to avoid Am I better off increasing my frequency of sessions per week, or my duration of each session — what do certified weight loss coaches recommend? How much are people paying for Estring for those with hypothyroidism or Hashimoto's A Switch from HRT to Birth Control for those with hypothyroidism or Hashimoto's What I learnt as a physician about having Hashimoto for myself and what helped on a low-carb or ketogenic diet 📖 GLP-1 Receptor Agonist — A class of medication that mimics natural hormones to improve insulin secretion and slow gastric emptying, used strategi… Was so tempted to hit the drive thru today. Went to the store instead for those with hypothyroidism or Hashimoto's