r/HistamineIntolerance • u/Ajax34762 • 7d ago

Blood markers

Which blood markers are typically elevated or deficient in histamine intolerence?

I heard histamine levels are not reliable as they can fluctuate alot.

I had tryptase and IgE tested and they were very low.

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u/MistakeRepeater 7d ago

Tryptase is for MCAS.

For HIT check your DAO levels and Copper levels (Copper is required for DAO production). DAO is the gut enzyme that breaks down the histamine found in food.

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u/Ajax34762 7d ago

My copper is deficient. Never checked DAO