1 / 7The Hunger Code by Jason Fung, 288-page weight-management book
The Hunger Code by Jason Fung is a practical guide to hunger, eating behaviour and weight management in the context of ultra-processed food. It outlines physical, emotional and social hunger, introduces the book’s “fat thermostat” concept, and includes three Golden Rules and 50 tips.
At a glance
- Discusses physical, emotional and social drivers of eating.
- Explains the author’s “fat thermostat” concept and its proposed connection with hunger and energy use.
- Includes three Golden Rules and 50 actionable tips, according to the listing.
- Addresses weight loss and maintenance, including after fasting or weight-loss medication.
Reference price: £21.99
Price checked: 12 Nov 2026
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Pros and cons
Pros
- Covers emotional and social eating alongside physical hunger, giving the subject a broader scope than calorie counting alone.
- The listing describes a practical format with three rules and 50 tips.
- Customer feedback praises the explanations as informative and comprehensible.
Technical specifications
8 specifications| Publisher | Greystone Books |
|---|---|
| Publication date | 5 Mar. 2026 |
| Language | English |
| Print length | 288 pages |
| ISBN-10 | 1778401562 |
| ISBN-13 | 978-1778401565 |
| Weight listed | 472 g |
|---|---|
| Dimensions | 15.24 x 2.54 x 22.86 cm |
What to know before buying
Listing details to confirm
The book presents the “fat thermostat” as its explanatory framework. The listing does not establish that its health claims are independent medical guidance. Consult an appropriate health professional for advice about medication or personal treatment decisions.
Who is it for?
A good fit for
- Readers seeking a book about hunger, eating behaviour and weight management.
- People interested in strategies for changing eating habits or maintaining weight loss.
- Readers looking for discussion of emotional and social pressures around food.
Less suited to
- Readers seeking a personalised medical or dietetic plan rather than general guidance.
Customer reviews on Amazon
- 5 stars
82% 82% - 4 stars
13% 13% - 3 stars
3% 3% - 2 stars
1% 1% - 1 star
1% 1%
Customer feedback highlights informative content and explanations described as easy to understand. Some customers also characterise the framework as empowering and praise its perceived accuracy. The predominantly five-star rating pattern is encouraging but cannot establish medical accuracy or predict whether the advice will suit an individual reader.
Positive themes
- Customers praise the content as informative and the explanations as comprehensible.
- Some customers describe the framework as empowering and the book as life-changing.
Frequently asked questions
What topics does The Hunger Code cover?
The listing says it covers physical, emotional and social hunger, the author’s “fat thermostat” concept, weight management and ultra-processed food.
Does the book include practical guidance?
The listing describes three Golden Rules and 50 actionable tips.
How long is the book?
The listed print length is 288 pages.
Is it intended as personalised medical advice?
The supplied description presents it as a general guide. It does not specify personalised medical advice.
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