All topics

315 DISCOVERIES TO EXPLORE

Cytokines & immune signaling

Seeing IL-6, IL-10, or another unfamiliar name? Start with the broader conversation about immune signaling. The individual cytokine reports go into more detail and may require a Substack subscription.

NEW TO THIS SUBJECT?

Start here.

An introduction to Dr. Purser’s published framework, before the individual cytokine reports.

Read the introduction

Free · The Hidden Molecule Driving Inflammation: Understanding the Purser Model of Homocysteine

Questions for your appointment

  • Which findings are relevant to the symptoms we are discussing?
  • How should we distinguish a genetic result from a measured blood level?
  • What needs further evaluation before we decide on next steps?

Bring your notes and results so the discussion can focus on you.

A PATH, AT YOUR PACE

Go deeper, at your pace.

Explore this course

FROM THE REPORT COLLECTION

Find the name on your report.

Explore interleukins, chemokines, receptors, and related pathways through plain-language teaching guides.

Browse teaching guides

Explore the conversation.

View all 315
Health BlogOct 2, 2026

Intracellular Glutathione vs. Serum Levels: How to Lower Inflammatory Cytokines Naturally

Most doctors run standard serum blood tests, see a "normal" nutrient level, and send you home. But measuring floating nutrients in your liquid serum is like looking at the paint on a house to see if the plumbing works inside. After reviewing over 40,000 advanced intracellular vitamin lab panels, the truth is clear: intracellular glutathione vs serum levels tell two entirely different stories. Your serum can look completely fine while your cells are completely depleted of the master antioxidant needed to protect your life. The Cytokine Threat When methylation breaks down and homocysteine elevat

Explore all 315 discoveries