Shifting Gears: Riding 1,000 Miles as a Type 1 Diabetic with Dr. Ian Lake! 1064

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Dr. Ian Lake is a UK-based medical doctor and long-term person living with type 1 diabetes (diagnosed 1995). He works as a GP in the NHS and had been qualified for four decades. Over the past decade, since discovering and adopting a very low carbohydrate diet in type 1 diabetes, he has conducted extensive independent research into insulin biology in type 1 diabetes, with a particular focus on how insulin function is influenced by lifestyle factors beyond diet.

Through integrating clinical insight with lived experience, he has explored how aligning lifestyle inputs with the body’s natural metabolic rhythms can reduce glucose variability and total insulin requirements. His work supports the guiding principle of using “as much insulin as necessary, but as little as possible,” a concept grounded in metabolic physiology and increasingly reflected in emerging scientific literature.

He organized and took part in the ZeroFive100 Project, demonstrating that people with Type 1 diabetes can exercise safely while generating ketones without relying on carbohydrate for fuel. He later put these principles into practice during a 1,000-mile cycle from the UK to Switzerland while following a ketogenic diet, achieving better time in range than the professional Novo Nordisk cycling team covering a comparable distance using traditional carbohydrate fueling.

The journey and the metabolic insights behind it are documented in his book, Shifting Gears: The 1000-mile Ride That Changed My Mindset On Type 1 Diabetes. https://type1keto.com/

Find Dr. Ian Lake at-

https://type1keto.com/

Amazon- Shifting Gears: The 1000-mile Ride That Changed My Mindset On Type 1 Diabetes.

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