How Not to Diet: The Groundbreaking Science of Healthy, Permanent Weight Loss

Name: How Not to Diet: The Groundbreaking Science of Healthy, Permanent Weight Loss
Price: 17.99 USD
Availability: InStock
Rating: 4.7 (7194 reviews)
Author: Michael Greger

by Michael Greger

Nonfiction Self Help

4.7 (7,194)

4.7 stars from 7,194 reviews. One of the highest rated Nonfiction books we track.

670 pages~11.2 hr readPublished by Flatiron Books

$17.99Near peak price

Last checked: Dec 19, 2025

Must ReadHighly rated with thousands of reviews. A proven favourite.

Price history: $2.99 – $18.99

While not the biggest discount we've seen for this book, it's still a great deal and we recommend grabbing it before price returns to its normal range.

Price range: $2.99 – $18.99

Buy on Amazon - $17.99

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Perfect for you if...

You've tried multiple diets and want to understand the actual science of why they failed, not just follow another set of rules.
You're interested in plant-based eating but want proof it works for weight loss, backed by peer-reviewed research.
You trust Greger's previous work and want his deep dive into how chronobiology, gut health, and calorie density actually drive weight loss.

Maybe not for you if...

You want quick fixes or are looking for a trendy approach; this is meticulous, comprehensive, and deliberately unsexy.
You prefer low-carb or keto frameworks; Greger's research points away from those methods.
You're not ready to question your current diet or examine the science behind weight loss claims.

About this book

Michael Greger examines the scientific research on weight loss and obesity. Despite frequent new diet trends, obesity rates continue to rise along with associated health problems. Greger, a physician and founder of the Nutrition Facts website, explores the latest research on the causes and solutions for obesity. The book identifies key factors in weight loss, including calorie density, the insulin index, and the effects of foods on gut microbiome. Greger emphasizes the role of plant-based eating in achieving weight loss success. Beyond dietary choices, the book outlines twenty-one weight-loss accelerators the body can use, drawing on research from areas like chronobiology to explain how to maximize natural fat-burning. Greger presents a comprehensive approach to weight loss based on current research, offering practical advice and a sustainable lifestyle framework designed to replace ongoing dieting struggles.

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Price History

Kindle price over time. Green zones = periods when the book was free.

$2.99 – $18.99

Price has dropped 4 times over the last 6 years. Goes on sale roughly every 661 days.

Sales Rank

Amazon sales rank: lower number = better selling book. #1 is the bestseller.

Currently around #42K in the Kindle store — a steady mid-list seller. Sales have softened 30% recently.

Rating & Reviews

Purple line = star rating over time. Blue area = total review count growth.

Currently 4.7★ from 7,194 reviews

Gaining approximately 48 new reviews per month. Steady word of mouth growth. Rating has remained stable at 4.7 over the tracking period.

Sale Prediction

Actual Predicted

This book goes on sale roughly every 661 days. Next drop estimated in about 70 weeks. Typical discount: 84% off.

Prices shown in USD from Amazon US. We continuously pull new data to improve tracking. If dates look old, it usually means there has been no significant change since the last data point.