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Reversible! : A Clinician's Guide to Understanding and Reversing Insulin Resistance, Prediabetes & Metabolic Disease
"You don't need to worry yet. Let's just keep an eye on it."
That's the sentence that turns a prediabetic into a type 2 diabetic — one "normal-ish" lab at a time.
It doesn't have to go that way.
Insulin resistance — the engine behind prediabetes, stubborn weight, fatty liver, and early type 2 diabetes — is not a life sentence. For most people, it's reversible. Not managed. Reversed. But you won't get there by waiting and monitoring, and you won't get there on advice as vague as "eat better and exercise more." You get there by understanding what's actually happening inside your body — and then pulling the right levers.
Sarah Aitken is a nurse practitioner with more than 35 years of clinical experience who spent years watching the "watch and wait" approach quietly fail the patients it was meant to protect — and who reversed her own metabolic condition along the way. Reversible! is the guide she wishes every patient had been handed at their first borderline lab.
Inside, you'll What insulin resistance really is — in plain language, with analogies that finally make it clickHow blood sugar actually works, and how to use a CGM to watch your own body respond in real timeHow food, fasting, and ketones move your numbers — and how to read a food label like a clinicianThe full exercise, sleep, stress, and the everyday levers that change your metabolic healthHow to handle cravings, food addiction, and the plateaus that derail most peopleA clear, step-by-step Action Plan at the end of every section, so you always know your next movePlus an extensive setup guides for the Stelo and Lingo CGMs, how to order and interpret your own lab tests, three ready-to-use food plans, and the behavioral tools for when it gets hard.
This is the science of reversing prediabetes, written by a clinician who refuses to tell you to just wait and see. Your numbers can move in the right direction — starting now.
Read Reversible! and take the wheel.
That's the sentence that turns a prediabetic into a type 2 diabetic — one "normal-ish" lab at a time.
It doesn't have to go that way.
Insulin resistance — the engine behind prediabetes, stubborn weight, fatty liver, and early type 2 diabetes — is not a life sentence. For most people, it's reversible. Not managed. Reversed. But you won't get there by waiting and monitoring, and you won't get there on advice as vague as "eat better and exercise more." You get there by understanding what's actually happening inside your body — and then pulling the right levers.
Sarah Aitken is a nurse practitioner with more than 35 years of clinical experience who spent years watching the "watch and wait" approach quietly fail the patients it was meant to protect — and who reversed her own metabolic condition along the way. Reversible! is the guide she wishes every patient had been handed at their first borderline lab.
Inside, you'll What insulin resistance really is — in plain language, with analogies that finally make it clickHow blood sugar actually works, and how to use a CGM to watch your own body respond in real timeHow food, fasting, and ketones move your numbers — and how to read a food label like a clinicianThe full exercise, sleep, stress, and the everyday levers that change your metabolic healthHow to handle cravings, food addiction, and the plateaus that derail most peopleA clear, step-by-step Action Plan at the end of every section, so you always know your next movePlus an extensive setup guides for the Stelo and Lingo CGMs, how to order and interpret your own lab tests, three ready-to-use food plans, and the behavioral tools for when it gets hard.
This is the science of reversing prediabetes, written by a clinician who refuses to tell you to just wait and see. Your numbers can move in the right direction — starting now.
Read Reversible! and take the wheel.
237 pages, Kindle Edition
Published June 7, 2026
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