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In‑depth clinical guides on the conditions we work with most, written by Jarrod Cooper - ND.
10 pillar guides
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Practitioner‑written
Gut Health: Functional Medicine Practitioner's Complete Guide
What standard testing misses, why the order of treatment is everything, and what actually has to happen for the gut to heal.
Read the guideThyroid & Hashimoto's: Why your thyroid is not the problem
Why standard thyroid testing misses the real drivers, and what to address first.
Read the guideMTHFR & Methylation: What it actually means for your health
What a methylation variant really means, and when it matters clinically.
Read the guideAnxiety & Mental Health: When it's a brain problem, not a mind problem
The biochemistry behind anxiety and low mood, and why testing should come before assumptions.
Read the guideSIBO: Why your gut protocol keeps failing
The sequencing mistakes that cause SIBO to relapse, and how to treat it so it holds.
Read the guideMould Illness & CIRS: When the building is the problem
How environmental biotoxins drive chronic illness, and the order recovery has to follow.
Read the guideChronic Fatigue: Why your energy won't come back
The upstream drivers of fatigue that standard testing overlooks.
Read the guideAutoimmune Disease: A functional medicine approach
How to address the drivers of autoimmunity rather than just suppressing the symptoms.
Read the guideLongevity & Biological Age: How to age on your terms
What biological age actually measures, and what genuinely moves it.
Read the guideSkin Health: Functional Medicine for Skin Conditions
Treating the root cause of eczema, psoriasis, acne and chronic skin problems
Read the guideWomen's Health: Functional Medicine for Women's Health
Root-cause care for hormones, cycles, PCOS, endometriosis and perimenopause
Read the guideMen's Health: Functional Medicine for Men's Health
Root-cause care for energy, testosterone, metabolism and long-term health
Read the guideMetabolic Health: Functional Medicine for Metabolic Health
Root-cause care for weight, blood sugar, cholesterol and metabolic syndrome
Read the guide
Written by
Jarrod Cooper - ND
Naturopathic Doctor and founder of Advanced Functional Medicine. Every guide is written from clinical practice — from cases seen in our Perth clinic and via telehealth across Australia and worldwide. Author of The Healing Hierarchy: Restore Function. Rebuild Your Body.