Expert Q&A

How long have we known that diabetes can be cured by not eating any carbs? Can you guess — what do certified weight loss coaches recommend?

The Historical Roots of Carb Restriction for Diabetes

Physicians have understood the power of carbohydrate restriction to manage and even reverse type 2 diabetes for over 150 years. In the 1790s, Dr. John Rollo successfully treated diabetic patients with an animal-based, near-zero-carb diet. By the late 1800s, the "starvation diet"—high fat, very low carb—became standard medical therapy. Fast-forward to 1920s textbooks: before insulin, physicians routinely prescribed diets under 20 grams of carbs daily to normalize blood sugar. This knowledge never disappeared; it was simply overshadowed after insulin’s discovery in 1921 turned diabetes management into a pharmaceutical model.

In my book The CFP Method, I detail how these early observations align with modern metabolic science. Removing carbs directly addresses insulin resistance, the root driver of type 2 diabetes. When you eliminate the primary stimulus for insulin secretion, blood glucose drops, pancreatic beta cells rest, and many patients achieve diabetes remission—defined by the American Diabetes Association as HbA1c below 6.5% without medication for at least three months.

What Certified Weight Loss Coaches Actually Recommend Today

Certified coaches in the CFP Weight Loss network steer clients away from the failed low-fat, calorie-counting approaches that dominate insurance-covered programs. Instead, we start most adults aged 45-54 on a therapeutic low-carb protocol of 20-50 grams per day for the first 4-6 weeks. This rapidly improves fasting insulin, reduces liver fat, and eases joint pain within days.

Practical coaching looks like this: replace breakfast cereal with eggs cooked in butter; swap sandwich bread for lettuce wraps or cheese wraps; choose fatty fish or grass-fed beef over pasta. We track ketone levels (0.5–3.0 mmol/L) using affordable urine strips or breath meters to confirm metabolic shift. For those managing high blood pressure and diabetes simultaneously, we emphasize sodium adequacy—4–6 grams daily—to prevent the common low-carb flu.

Addressing Hormonal Changes and Joint Limitations

Perimenopausal and menopausal women often see accelerated weight gain due to declining estrogen and rising cortisol. A carb-restricted diet lowers insulin, which helps restore hormonal balance faster than exercise alone. Because the CFP Method prioritizes nutrition over gym time, clients with knee or back pain lose 15–30 pounds in 90 days without aggravating joints. Many report needing less diabetes and blood pressure medication within weeks—changes we celebrate but always coordinate with their physicians.

Why This Works When Every Other Diet Failed You

Previous diets failed because they kept you in the glucose-insulin rollercoaster. Certified coaches focus on metabolic flexibility—teaching your body to burn fat for fuel. Expect 2–5 pounds of water weight loss the first week, followed by steady fat loss of 1–2 pounds weekly. Most importantly, the simplicity fits busy middle-income lives: one grocery list, no calorie tracking, meals ready in under 15 minutes. The science has been clear for centuries; the CFP Method simply makes it accessible again.

💬 What the Community Says

The community shows strong interest in historical low-carb approaches for diabetes but remains cautious after years of conflicting guidelines. Many 45-54 year olds share stories of rapid blood sugar improvements within weeks of dropping bread and pasta, with several reporting medication reductions under medical supervision. Joint pain relief emerges as a frequent positive side effect, though some struggle with initial fatigue or cravings. A vocal minority debates the long-term sustainability, citing family pushback and social eating challenges. Insurance coverage frustrations are common, pushing people toward self-guided or coach-supported programs. Beginners often express relief finding a straightforward method that doesn't require gym memberships or complicated recipes, yet worries about nutrient deficiencies persist. Overall sentiment leans optimistic among those who've tried it, tempered by calls for more physician buy-in and personalized adjustments for hormonal shifts.
Clark, R. (2026). How long have we known that diabetes can be cured by not eating any carbs? Can y. *CFP Weight Loss*. https://blog.cfpweightloss.com/ask/how-long-have-we-known-that-diabetes-can-be-cured-by-not-eating-any-carbs-can-you-guess-what-do-certified-weight-loss-coaches-recommend
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.

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