Mastering Nutrition

Zonulin: what nutrients to look at if it's high? | Masterjohn Q&A Files #224

Jun 30, 2021
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ANECDOTE

Listener Reports Very High Zonulin Reading

  • A listener's wife had a zonulin reading around 360 on a Vibrant/Genova stool panel and it flagged as very high.
  • They were puzzled because other tests for SIBO and methane were negative despite inflammatory gut symptoms.
INSIGHT

Zonulin Indicates Gut Permeability

  • Zonulin is interpreted as a marker of intestinal permeability and can reflect gut inflammation or barrier dysfunction.
  • Chris Masterjohn links biochemical drivers like arachidonic acid and prostaglandin E2 to gut immune tolerance and junction integrity.
ADVICE

Check Arachidonic Acid And EPA Balance

  • Check arachidonic acid levels on an omega panel because gut-associated lymphoid tissue uses arachidonic acid to form prostaglandin E2 and support tolerance.
  • Also compare EPA to arachidonic acid position in the range because high EPA can inhibit conversion to prostaglandin E2 and affect tolerance.
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