Free Resources
Clinical Guides
Eight free PDF guides, one for each topic on this site. Each one is graded by evidence and written to be used: worksheets, reference tables, and checklists rather than marketing copy.
The Physician's Complete Guide to Peptide Therapy
Evidence Profiles for Clinical Practice
35 pages of evidence-graded peptide profiles, clinical protocols, and monitoring frameworks from a physician who coaches patients, mostly in the US, through decisions about peptides.
For physicians and informed patients. Clinician-level detail.
Get the free guide →The Longevity Self-Assessment
A Physician's Framework for Biological Age Optimization
Score yourself across 13 dimensions of biological aging with optimal biomarker ranges, protocol templates, and a 90-day action plan.
For adults who want a structured self-assessment to take to their physician.
Get the free guide →The Complete Lyme Disease Treatment Guide
Testing, Co-infections, and Treatment Options
Advanced diagnostics, German treatment protocols, and a clear path forward, written at St. George Hospital, where 12,000+ chronic Lyme patients have been treated since 1994.
For patients with suspected or diagnosed Lyme disease, and their families.
Get the free guide →Understanding Your Immune System
A Patient's Guide to Immune Health Testing and Optimization
A 36-page guide to understanding how your immune system works, what goes wrong in chronic disease, and which tests reveal the full picture.
For patients. Plain language, no medical background needed.
Get the free guide →The Complete Lab Test Reference Guide
What to Test, When, and Why
A 37-page reference for understanding laboratory and diagnostic testing in integrative medicine, with optimal ranges that go beyond standard values.
For patients who want to understand their lab reports, and for clinicians.
Get the free guide →Clinical Protocol Templates
A Physician's Toolkit for Integrative Treatment Planning
12 ready-to-use clinical protocol templates, dosing reference tables, timing guides, and monitoring checklists, built on three decades of clinical practice at St. George Hospital.
For physicians and clinicians planning integrative treatment.
Get the free guide →Brain Health and Neuromodulation Guide
A Patient's Guide to Non-Invasive Brain Therapies
Clear explanations of 12+ neuromodulation modalities with evidence ratings, condition-specific guides, and practical at-home vs. clinical assessments.
For patients considering a non-invasive brain therapy.
Get the free guide →The Evidence-Based Supplement Guide
A Physician's Guide to What Works, What Doesn't, and What to Take
A 34-page evidence-graded formulary covering 80+ supplements with condition-specific stacks, drug interaction tables, and budget-tier recommendations.
For patients and clinicians choosing supplements by evidence grade.
Get the free guide →Have questions about a specific condition?
Schedule a consultation with Dr. Julian Douwes for personalized clinical guidance.
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