Expert Q&A

How long have we known that diabetes can be cured by not eating any carbs? Can you guess?

The Surprising 150-Year History of Carb Restriction for Diabetes

We've known since the 1860s that eliminating carbohydrates can dramatically improve and even reverse type 2 diabetes. In 1863, Dr. William Banting published his famous "Letter on Corpulence," detailing how a low-carb, high-fat diet cured his obesity and related metabolic issues. By the early 1900s, physicians like Dr. Frederick Allen were using strict carbohydrate restriction—sometimes called the "Allen diet"—to manage diabetes before insulin was discovered in 1921. These early approaches achieved what many today call diabetes reversal: normalized blood glucose without medication.

In my book, The CFP Weight Loss Method, I show how these century-old principles still work today, especially for adults 45-54 facing hormonal shifts. The core mechanism is simple: without dietary carbs, your body stops flooding the bloodstream with glucose. This lowers insulin demand, reduces inflammation, and allows pancreatic beta cells to recover. Studies from the 1970s onward, including those by Dr. Richard Bernstein, reinforced that very-low-carb diets (under 30 grams daily) can bring A1C below 6.0% in many patients.

Why This Matters for Beginners with Joint Pain and Hormonal Challenges

If you've failed every diet before, the problem wasn't willpower—it was conflicting advice pushing moderate-carb plans that keep blood sugar elevated. For those with joint pain, eliminating carbs reduces systemic inflammation within weeks, making movement easier without high-impact exercise. My approach replaces gym schedules with gentle daily walks and resistance-band routines you can do at home in 15 minutes.

Hormonal changes after 45 make weight loss harder because insulin resistance worsens with declining estrogen and testosterone. Cutting all carbs stabilizes blood sugar, which in turn balances cortisol and supports thyroid function. Most clients see 5-10 pounds lost in the first month while managing diabetes and blood pressure. Insurance rarely covers these programs, which is why I designed The CFP Weight Loss Method as an affordable, self-guided system with simple grocery lists—no complex meal plans required.

Practical Steps to Start Reversing Diabetes Today

Begin by removing all grains, sugars, starchy vegetables, and fruits for 30 days. Focus on eggs, fatty fish, olive oil, avocados, leafy greens, and moderate amounts of cheese and nuts. Track fasting blood glucose daily; many see numbers drop from 180 mg/dL to under 110 mg/dL within two weeks. Stay hydrated and add electrolytes to prevent the "keto flu."

Don't be embarrassed to start—this approach has helped thousands who felt exactly like you. Consistency beats perfection. After the initial phase, some reintroduce small amounts of berries or nuts, but the majority who achieve diabetes reversal stay very low-carb long term.

Realistic Outcomes and Long-Term Success

Clinical data shows 50-60% of participants following strict carbohydrate elimination can discontinue diabetes medications within six months, provided they maintain the lifestyle. Blood pressure often normalizes as weight decreases by 15-30 pounds. The key is viewing this as metabolic health restoration, not another temporary diet. My method emphasizes sustainable habits that fit middle-income budgets and busy lives, proving that diabetes remission is achievable even after years of struggle.

💬 What the Community Says

The community shows strong interest in the historical angle, with many surprised to learn low-carb diabetes management dates back over 150 years. Most beginners share stories of failed moderate-carb diets before finding success with strict elimination, often noting rapid blood sugar improvements within weeks. There's frequent discussion around joint pain relief and how reducing inflammation made daily movement possible without gym intimidation. A vocal minority debates sustainability, with some reporting hormone-related plateaus around month three that required electrolyte tweaks or medical guidance. Insurance coverage frustrations are common, leading many to praise affordable self-guided programs. Overall sentiment is hopeful yet cautious, with users swapping simple meal ideas and celebrating medication reductions while warning newcomers against expecting overnight cures. Lived experiences highlight embarrassment turning into empowerment once results appear.
Cite this answer
Clark, R. (2026). How long have we known that diabetes can be cured by not eating any carbs? Can y. *CFP Weight Loss*. https://ask.cfpweightloss.com/ask/how-long-have-we-known-that-diabetes-can-be-cured-by-not-eating-any-carbs-can-you-guess
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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