EPISODE # 46

High Homocysteine: Histamine, Methylation & Why You Might Not Tolerate Methylated B Vitamins

Explore the link between homocysteine, histamine intolerance, methylation, MTHFR genetics, and reactions to methylated supplements.

In this episode of the Histamine Well Podcast, Joanne explores the complex relationship between high homocysteine, histamine intolerance, methylation, and nutrient metabolism. 

Elevated homocysteine is a significant marker linked to cardiovascular disease, cognitive decline, inflammation, pregnancy complications, and neurological health concerns.

Learn what homocysteine is, why optimal levels matter, and how the methylation cycle works in the body. This episode explains how nutrients such as methylfolate, methyl B12, vitamin B6, and trimethylglycine support homocysteine metabolism — and why many people struggle to tolerate methylated supplements despite needing them.

Joanne also discusses the clinical connection between histamine overload, genetics like the MTHFR gene mutation and COMT enzyme activity, plus how methylation imbalances may contribute to anxiety, insomnia, headaches, skin flare-ups, digestive symptoms, and histamine reactions.

Whether you are a practitioner, student, or someone navigating histamine intolerance, methylation issues, or unexplained reactions to supplements, this episode provides practical insights into understanding the root causes behind elevated homocysteine and improving tolerance to targeted nutrients.

Key Topics Covered:

  • What high homocysteine means and optimal clinical ranges
  • The link between homocysteine and cardiovascular disease
  • Histamine intolerance and methylation explained
  • Why methylated B vitamins can trigger side effects
  • The role of MTHFR, COMT, BHMT, CBS, and methylation pathways
  • Histamine overload, inflammation, and nutrient intolerance
  • Clinical approaches to lowering homocysteine naturally
  • Understanding overmethylation vs undermethylation

Stay well,

Joanne Kennedy

Listen, Watch, & Subscribe

Build A Thriving Practice Transforming People’s Health

Treat dozens of common conditions as a Histamine & Methylation specialist, all without complicated biochemistry or techniques!

Special Offer: Get my Ultimate Histamine Intolerance Bundle

X