The Healing Hierarchy
For the person who has tried the diets, the supplements, and the protocols, and is still chronically unwell. The clinical sequence that explains why nothing has worked, and what does.
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An essential guide for both patients and practitioners seeking a more strategic, sustainable path to true healing.
Dr Izabella Wentz, PharmD
The Essential Trilogy
Three tests on every patient as a minimum. Each reveals a different dimension of your health that standard testing misses, and the depth of insight comes from running all three together.
About the Author
Naturopathic Doctor · Functional Medicine Practitioner
The sequence matters more than the protocol.
Jarrod is a naturopathic doctor based in Perth, running an Australia-wide telehealth practice through Advanced Functional Medicine. The Healing Hierarchy is the framework he has developed across thousands of clinical cases.
New to Functional Medicine?
The introduction to the Healing Hierarchy framework. Why most protocols fail, what to test first, and the sequence that actually works.
Watch Free Training →Case Study Protocols
The full protocols behind the eight case studies in the book. Every test, every finding, every phased supplement protocol, and the before-and-after results.
Autoimmune flares stopped within 6 months.
View Full Protocol →From 265 to 550 ng/dL without TRT.
View Full Protocol →Reduction over 9 months on protocol.
View Full Protocol →Conceived naturally at Month 9 with two full-term pregnancies.
View Full Protocol →From 12 safe foods back to a normal varied diet in 10 months.
View Full Protocol →Full recovery over 14 month protocol.
View Full Protocol →Achieved 8-year biological age reversal in 12 months.
View Full Protocol →Resolved within 6 weeks of phase one.
View Full Protocol →What patients and practitioners say
An essential guide for both patients and practitioners seeking a more strategic, sustainable path to true healing.
I had been to so many doctors. Jarrod found the underlying cause. It completely changed my life.
I'm running three to four times a week now, racing on a Saturday. The chronic joint pain, the mood issues, the broken sleep, all of it settled.
What nobody had done was look at everything together. Once we did, the chronic issues that had been hanging around for years were finally gone.
Once we found what was actually triggering the immune response and dealt with that first, the flares stopped.
This was the first time anyone looked beyond the thyroid itself to ask what was putting pressure on it. That changed everything.
Released 27 April 2026
From $12.95 AUD
An essential guide for both patients and practitioners seeking a more strategic, sustainable path to true healing.
— Dr Izabella Wentz, NYT Bestselling Author
The Healing Hierarchy audiobook, narrated edition. Available with the Quick Start Guide bundle.
Audiobook →Want a Faster Start?
Includes the audiobook plus a structured 30 day implementation plan. $47 AUD.
Free Resources
The supporting tools and guides referenced throughout the book, free to download with the chapter bonuses.
Apply the framework to your own health, chapter by chapter
Self-assessments, decision trees and exercises that walk you through each stage of the hierarchy.
Download Free →Know exactly which markers to ask your GP for
Movement and breathwork guides, self-assessment tools, and the testing decision tree.
Download Free →Get every chapter resource in one place
Every downloadable in one library, organised by chapter and topic for quick reference.
View All →Drop your name and email and we'll send the workbook, chapter bonuses, and resource library straight to your inbox.
Whole Food Reset
The dietary reset protocol referenced in the book. Plus get the prep guide free when you join the waitlist.
Members
Access the member portal, download your resources, or leave a review on Amazon.