
Heart Doc VIP with Dr. Joel Kahn Bonus: Episode 465 – Dr. William Hsu on Putting Type 2 Diabetes Into Remission with Fasting
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Oct 28, 2025 Dr. William Hsu, Chief Medical Officer at L-Nutra and former Harvard physician, dives into the revolutionary role of fasting in reversing type 2 diabetes. He highlights the importance of muscle mass for glucose absorption and discusses the Fasting Mimicking Diet, which can lead to impressive weight loss while preserving muscle. Listeners will learn about clinical successes, including significant A1C improvements and reduced medication use, plus the long-term healthcare cost savings from adopting these metabolic health strategies.
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Designing A Practical Fasting Approach
- L‑Nutra developed the five-day Fasting Mimicking Diet to give fasting benefits without prolonged water-only fasting.
- The program is accessible because it removes the burden of prolonged fasting while mimicking its effects.
Root Causes Of Type 2 Diabetes
- Type 2 diabetes is driven by central (visceral) fat and loss of muscle mass, not just high blood sugar.
- Targeting visceral fat while preserving muscle addresses root causes rather than masking symptoms.
Do Fasting With Medical Supervision
- Use a supervised program that combines fasting-mimicking nutrition with lifestyle coaching and physician oversight.
- Do the five-day Fasting Mimicking Diet as part of a broader disease management plan for safety and sustained results.



