The following article highlights five key Dr. Jason Fung books that explore fasting, insulin, weight management, and metabolic health. Each entry includes a linked Amazon page, a quick image reference, and core themes to help readers decide which title fits their goals. Whether you’re curious about reversing type 2 diabetes or learning practical fasting strategies, these titles offer evidence-informed perspectives on modern nutrition.
| Selected Product | Why It’s Relevant |
|---|---|
| The Hunger Code | Focuses on resetting the body’s fat thermostat amid ultra-processed foods. |
| The Diabetes Code | Addresses prevention and natural reversal strategies for Type 2 diabetes. |
| The Obesity Code | Examines insulin resistance and why intermittent fasting aids weight control. |
| The Complete Guide to Fasting | Offers practical fasting protocols: intermittent, alternate-day, and extended fasting. |
| Translates the science into actionable recipes aligned with metabolic health. |
The Hunger Code: Resetting Your Body’s Fat Thermostat

The Hunger Code explores how modern diets influence fat storage and energy balance. It emphasizes practical strategies to recalibrate the body’s fat thermostat in a landscape of ultra-processed foods. Readers will encounter frameworks for reducing cravings, balancing hormones, and choosing foods that support metabolic health. The book presents actionable steps without relying on drastic dieting, focusing instead on sustainable changes.
The Diabetes Code: Prevent and Reverse Type 2 Diabetes Naturally

Dr. Jason Fung, with Nina Teicholz foreword, presents evidence-based approaches to prevent and reverse Type 2 diabetes through dietary strategies, weight loss, and metabolic health. The book emphasizes reducing insulin resistance and adopting low-carbohydrate or time-restricted eating patterns as practical tools. It provides a clear explanation of how lifestyle changes can impact glucose management and long-term health.
The Obesity Code: Unlocking the Secrets of Weight Loss

The Obesity Code investigates insulin’s central role in weight management and explains why conventional diets often fail. It highlights the importance of insulin regulation through lifestyle choices, including structured eating patterns such as intermittent fasting. The book emphasizes sustainable, science-based methods to reduce weight while improving overall metabolic health, with practical guidance for readers seeking long-term results.
The Complete Guide to Fasting: Heal Your Body Through Intermittent, Alternate-Day, and Extended Fasting

This comprehensive guide covers multiple fasting protocols, including intermittent, alternate-day, and extended fasting. It presents practical schedules, safety considerations, and scientific foundations for fasting as a tool to improve metabolic health. Co-authored by Dr. Jason Fung and Jimmy Moore, the book provides actionable steps for readers seeking structured fasting plans and clearer guidance on how to implement them safely.
The Obesity Code Cookbook: Recipes to Help You Manage Insulin, Lose Weight, and Improve Your Health

The Obesity Code Cookbook translates the science of insulin and metabolism into practical meals. It provides recipes aimed at supporting insulin regulation, weight management, and overall health. The cookbook complements the core concepts from The Obesity Code by offering meal ideas that align with low-insulin strategies, making it easier to apply the theory at home.
Buying Guide
- Intended outcomes: Choose The Diabetes Code or The Hunger Code if your priority is reversing metabolic risk factors, while The Complete Guide to Fasting suits readers seeking concrete fasting routines.
- Dietary approach: If you prefer insulin-focused strategies, The Obesity Code and its Cookbook provide actionable recipes and plans. For broader fasting methods, The Complete Guide to Fasting covers diverse protocols.
- Author credibility: Dr. Jason Fung is a consistent figure in the fasting and metabolic health discussion; cross-reference with physician guidance if you have medical conditions.
- Audience fit: Some titles include foreword or co-authors; consider whether you value supplementary perspectives (such as Nina Teicholz’s foreword) or a solo expert voice.
- Practical application: The Hunger Code and The Obesity Code Cookbook emphasize actionable steps and meal planning, while The Diabetes Code emphasizes prevention and reversal strategies.