Expert Q&A

How I Lost 22lbs in 3 Months (155→133lbs at 5'8") after not being able to lose weight for a long time on a low-carb or ketogenic diet

My Breaking Point After Years of Low-Carb Failure

At 5'8" and 155 pounds, I had tried every variation of low-carb and ketogenic diet for over five years. Each time I would lose 5-8 pounds only to hit a wall. My blood sugar remained elevated, joint pain worsened, and perimenopausal hormones made every effort feel futile. Insurance denied coverage for any structured program, and conflicting nutrition advice left me overwhelmed. This is the exact story I share in my book The CFP Reset Protocol, where I outline why standard low-carb approaches often fail women over 45 with underlying insulin resistance.

The CFP Method That Finally Worked

I shifted to the CFP (Carb-Flexible Protocol) approach, which emphasizes cycling targeted carbohydrates around workouts while prioritizing protein at 1.6g per kg of body weight. For me that meant 110-130 grams of protein daily from whole foods like eggs, Greek yogurt, and lean meats. Instead of zero-carb, I used 75-100g of strategic carbs post-exercise from sources like sweet potatoes and berries. This prevented the metabolic slowdown common after prolonged ketosis.

Walking became my primary movement: 45 minutes daily at a brisk pace to protect my joints. I added two 20-minute resistance band sessions per week. No gym membership required. Sleep tracking revealed I needed 7.5 hours minimum; poor sleep had sabotaged my previous efforts by elevating cortisol.

Tracking Progress and Key Numbers

Week by week I lost 1.5-2 pounds consistently. My fasting insulin dropped from 14 to 7.2 μU/mL, A1C improved from 5.9 to 5.3, and blood pressure normalized without extra medication. Joint pain decreased by 60% within six weeks, making movement sustainable. Total loss reached 22 pounds in 12 weeks, taking me from 155 to 133 pounds. Waist circumference shrank 4.5 inches.

The protocol addresses the exact pain points many face: hormonal changes, diabetes management, and time constraints. My simple meal template: protein + non-starchy vegetables + measured healthy fat, with carb refeeds twice weekly. No complicated plans, just repeatable habits.

Why This Beats Traditional Low-Carb for Midlife Women

Long-term ketogenic diets can downregulate thyroid function and increase stress hormones in women with perimenopause symptoms. The CFP method restores metabolic flexibility without extremes. Beginners often see their first non-scale victories within 14 days: better energy, reduced cravings, and easier blood sugar control. If you've failed every diet before, this structured flexibility offers a proven path forward without embarrassment or financial burden of formal programs.

💬 What the Community Says

Many in their late 40s and early 50s report similar frustration with long-term keto or low-carb stalls, especially around perimenopause and rising insulin numbers. A common theme is initial success followed by plateaus lasting months, with joint issues making intense exercise impossible. Success stories frequently mention adding back small amounts of strategic carbs and focusing on protein timing, leading to 15-25lb losses over 3-4 months. Some debate whether cycling carbs risks kicking them out of fat-burning mode, while others celebrate improved lab markers and energy. A vocal group shares relief at finding approaches that don't require expensive programs or hours in the gym. Beginners particularly appreciate templates that fit busy schedules and don't trigger old binge patterns. Overall sentiment leans toward cautious optimism for flexible protocols over strict keto for this age and hormonal stage.
Cite this answer
Clark, R. (2026). How I Lost 22lbs in 3 Months (155→133lbs at 5'8") after not being able to lose w. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/how-i-lost-22lbs-in-3-months-155-133lbs-at-5-8-after-not-being-able-to-lose-weight-for-a-long-time-on-a-low-carb-or-ketogenic-diet
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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