These books are worth reading if you have been diagnosed with insulin resistance, pre-diabetes, or type 2 diabetes — or if you simply want to know why diets keep failing you. This list covers the science, the practical strategies, and the personal stories that have shaped how people think about metabolic health today.
When my doctor told me in 2011 that my insulin levels were dangerously high, I had no idea where to start. I read everything I could get my hands on — studies, books, lectures, researcher interviews. Some of it changed my understanding completely. Some of it was confusing or contradictory.
What follows is the reading list I wish someone had handed me at the beginning. These are the books that actually moved the needle — for me personally and for the wider conversation about metabolic health.
A quick note: I have included my own book on this list because it belongs here. It is the only one written specifically around reversing insulin resistance through seven practical, research-backed strategies that you can implement immediately without overhauling your entire life. But the others on this list are genuinely excellent and worth your time.
The 10 Best Books on Insulin Resistance
Fix Your Insulin: 7 Simple Hacks to Lose Weight Without Hunger or Calorie Counting — Karl Jacob
This is the book I spent four years writing after losing 80 pounds by fixing my insulin rather than counting calories. Where most books explain the problem, this one is built around seven specific, actionable hacks you can start using immediately. The approach is grounded in peer-reviewed science but written for real people with busy lives — not researchers or biohackers. If you want a practical system rather than a theory, start here. Available on Amazon.
The Obesity Code — Dr. Jason Fung
Dr. Fung is a Canadian nephrologist who has treated thousands of patients with type 2 diabetes and obesity. This book makes the case that obesity is fundamentally a hormonal problem — driven by insulin — not a calorie problem. His explanation of why calorie restriction fails long-term is the clearest I have read anywhere. If you want to understand the science behind why your diet keeps stopping working, this book will change your thinking.
Why We Get Fat — Gary Taubes
Taubes is a science journalist who spent years researching the theories underlying obesity, dietary fat, and carbohydrates. This is the more accessible companion to his earlier and denser work Good Calories, Bad Calories. He argues persuasively that the conventional calories in, calories out model is not supported by science, and that the main cause of fat storage is carbohydrates rather than fat. A foundational read for anyone questioning mainstream nutrition advice.
The Diabetes Code — Dr. Jason Fung
Where The Obesity Code focuses on weight, The Diabetes Code focuses specifically on type 2 diabetes and how it can often be reversed through dietary intervention rather than being managed with medication. Fung challenges the widely held assumption that type 2 diabetes is a progressive, irreversible condition. For anyone with a pre-diabetes or type 2 diagnosis, this book is essential reading before accepting a lifelong medication prescription.
Glucose Revolution — Jessie Inchauspé
Inchauspé is a biochemist who became widely known on social media for making blood sugar science accessible and visual. This book is built around practical strategies — many of them surprisingly simple — for flattening your glucose curves without giving up the foods you love. The meal sequencing technique she popularized (eating vegetables and protein before carbohydrates) is one of the most effective and underused tools for managing post-meal insulin spikes. It is the same principle behind the very first hack in my own system.
Metabolical — Dr. Robert Lustig
Lustig is a pediatric endocrinologist who has spent decades studying the metabolic effects of sugar and processed food. This book is more aggressive in its critique of the food industry than most, but the science behind it is solid. His explanation of how fructose in particular damages the liver and drives insulin resistance is illuminating. Not a light read, but one of the most thorough explorations of how modern food is designed to cause metabolic illness.
Fast. Feast. Repeat. — Gin Stephens
Stephens is not a scientist or doctor — she is someone who reversed her own obesity and insulin resistance through intermittent fasting, then spent years helping others do the same. This book is practical, warm, and deeply encouraging for anyone who has struggled to make fasting work. It covers different fasting protocols, common mistakes, and how to adapt the approach for real life. For the intermittent fasting piece of fixing your insulin, this is the best companion reading available.
The Big Fat Surprise — Nina Teicholz
An investigative journalist's deep dive into how dietary fat became the villain in public health policy — and why that shift may have caused enormous harm. Teicholz spent nine years researching this book and the evidence she surfaces about the weak science behind the low-fat dietary guidelines is genuinely disturbing. Understanding this history is important context for anyone trying to make sense of contradictory nutrition advice.
Good Calories, Bad Calories — Gary Taubes
Taubes' longer, more rigorous companion to Why We Get Fat. This is not an easy read — it is dense with research citations and detailed analysis of decades of nutrition science — but it is probably the most thoroughly researched argument against the calorie-centric model of obesity ever written. If you want to go deep on the science, this is where you go.
The Circadian Diabetes Code — Dr. Satchin Panda
Panda is a leading circadian biology researcher at the Salk Institute. This book explores how the timing of eating — not just what you eat — affects insulin sensitivity, metabolic health, and weight. His research on time-restricted eating is some of the most compelling in the field right now. The connection between circadian rhythms and insulin resistance is an area most popular nutrition books have not yet caught up with. This one has.
How to Choose Where to Start
If you are newly diagnosed with insulin resistance or pre-diabetes and want practical strategies fast, start with Fix Your Insulin or Glucose Revolution. Both are immediately actionable.
If you want to understand the science behind why conventional dieting fails, start with The Obesity Code or Why We Get Fat. Both will reframe how you think about food and weight permanently.
If you have a type 2 diabetes diagnosis and want to understand your options beyond medication, read The Diabetes Code before your next doctor's appointment.
Frequently Asked Questions
What is the best book to read if you have just been diagnosed with insulin resistance?
Fix Your Insulin is the most direct starting point because it is built entirely around reversing insulin resistance through seven practical strategies. The Obesity Code by Dr. Jason Fung is also an excellent first read for understanding why the condition develops and what drives it.
Is insulin resistance the same as type 2 diabetes?
Not exactly, but they are closely related. Insulin resistance is the underlying metabolic condition. Type 2 diabetes is the stage where blood sugar levels have risen above normal because the body can no longer compensate for the insulin resistance. Most people with type 2 diabetes had insulin resistance for years before the diagnosis.
Can reading about insulin resistance actually help you reverse it?
Understanding the mechanism — why your body is storing fat and resisting weight loss — is the first step to fixing it. Most people fail at dieting not because of willpower but because they are using strategies that work against their hormones rather than with them. The books on this list give you the framework to make decisions that work with your biology.
Are there any books on insulin resistance specifically for women?
Most of the books on this list include sections on hormonal differences and how insulin resistance presents differently in women. Fast. Feast. Repeat. by Gin Stephens has particularly strong coverage of how to adapt intermittent fasting for women's hormonal cycles. The Circadian Diabetes Code also addresses sex-specific differences in metabolic health.
Do I need to read all of these books?
No. Pick one or two that match where you are right now. Fix Your Insulin and The Obesity Code together give you both the practical system and the scientific foundation. Everything else on this list adds depth and perspective as you go.
Disclaimer: I am not a doctor. This article reflects my personal research and experience. Always consult your physician before making dietary or lifestyle changes.