The Evidence-Based Supplement Guide — Free Guide

Free Physician's Guide

The Evidence-Based Supplement Guide

A Physician's Guide to What Works, What Doesn't, and What to Take

For patients and clinicians choosing supplements by evidence grade.

A 34-page evidence-graded formulary covering 80+ supplements with condition-specific stacks, drug interaction tables, and budget-tier recommendations.

  • 80+ supplements with 5-tier evidence grading: Strong, Moderate, Emerging, Traditional, Insufficient
  • Condition-specific supplement stacks for Lyme, Post-COVID, cancer support, and longevity
  • Drug-supplement interaction reference table for blood thinners, thyroid meds, and more
  • Budget-tier recommendations at $50, $150, and $300+ monthly spend
34 pages PDF download Evidence-based

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Educational guide. It is not medical advice and does not replace an examination by your own physician.

Dr. Julian Douwes

Julian Douwes, M.D.

Chief Medical Officer, St. George Hospital

Written by a physician who uses supplements in clinical protocols. Every entry carries an evidence grade.

Inside the Guide

Table of Contents

  1. Part I. Foundations: Evidence grading system, quality assessment, label literacy, drug interactions
  2. Part II. The Core Formulary: 80+ supplements organized by category with evidence grades
  3. Part III. Condition-Specific Stacks: Immune health, Lyme, Post-COVID, cancer support, longevity, gut health
  4. Part IV. Longevity and Optimization: NAD+ precursors, senolytics, mitochondrial support, hormonal support
  5. Part V. Practical Application: Budget tiers, timing guide, pre-treatment adjustments, formulary quick-reference

34 pages of clinical depth

What You Will Learn

  1. 01

    Which supplements have strong clinical evidence and which are mostly marketing

  2. 02

    Condition-specific stacking protocols for immune health, chronic disease, and longevity

  3. 03

    Critical drug-supplement interactions your doctor may not know about

  4. 04

    How to read a supplement label, evaluate third-party testing, and avoid garbage-tier products

  5. 05

    What to stop before surgery, chemotherapy, apheresis, or other medical treatments

  6. 06

    Budget-conscious supplement prioritization at $50, $150, and $300+ monthly tiers

Free Guide

The Evidence-Based Supplement Guide

A 34-page evidence-graded formulary covering 80+ supplements with condition-specific stacks, drug interaction tables, and budget-tier recommendations.

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