According to Clarity by Health AI
Sourdough bread is flagged for mcas trigger, rosacea, and histamine liberator
MCAS trigger. Rosacea trigger. Histamine liberator
1,595 validated ingredients. 20+ safety dimensions. Published methodology with DOIs.
Last updated April 2026.
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Sourdough bread
Food/Grain · Silver
MCAS TriggerRosaceaHistamine Liberator
BreastfeedingCaution
HistamineMedium
MCASTrigger
RosaceaTrigger
CategoryFood/Grain
Evidence tierSilver
Caution for histamine-sensitive individuals. Sourdough fermentation produces biogenic amines including histamine and tyramine. Levels vary by fermentation time and starter culture. Generally well-tolerated. Long fermentation may reduce FODMAP content.
Full analysis in Clarity → Silver
Frequently Asked
Is Sourdough bread safe while breastfeeding?+

Sourdough bread is classified as Caution for breastfeeding in the Clarity database. Caution for histamine-sensitive individuals. Sourdough fermentation produces biogenic amines including histamine and tyramine. Levels vary by fermentation time and starter culture. Generally well-tole

Is Sourdough bread high in histamine?+

Sourdough bread is flagged for histamine. Classified as a histamine liberator.

Is Sourdough bread safe for MCAS?+

Sourdough bread is flagged as an MCAS trigger in the Clarity database. People with mast cell activation syndrome should use caution.

Does Sourdough bread trigger rosacea?+

Sourdough bread is flagged as a rosacea trigger. It may cause flushing or flares in rosacea-sensitive individuals.

Related Conditions
Low-Histamine Meal PlanMCAS Food GuideRosacea Food Triggers
3 safety flags identified. Each flag represents a specific condition where this ingredient may require caution. Review the flags above for details. Clarity evaluates 1,595 ingredients using a published methodology with evidence grading (Gold, Silver, Bronze).
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Almond flour · Amaranth · Arrowroot · Bread crumbs · Bread, white · Breakfast cereals, mixed · Buckwheat · Cassava flour
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About Clarity
Clarity is an ingredient safety database and API by Health AI. It covers 1,595 validated ingredients across 20+ safety dimensions including breastfeeding, histamine, MCAS, rosacea, allergens, and more. Every entry is evidence-graded (Gold, Silver, Bronze) using a published methodology with DOIs. Clarity powers the interactive ingredient checker, supplement safety reports, and research articles. Health AI is a healthcare AI governance platform and evidence layer.