soybeans
They contain tyramine and other biogenic amines.
Unsuitable
This food is often poorly tolerated with histamine intolerance.
Liberator: May trigger histamine release from mast cells independently of its own histamine content. learn more
Soybeans themselves may not be a problem, but they act as a trigger. They are also often fermented (e.g., tofu, tempeh, soy sauce), which increases their histamine content. In addition, they contain other biogenic amines that can worsen the reaction.