Histamine intolerance (HIT), also termed enteral histaminosis or dietary histamine sensitivity, is frequently cited as a potential explanation for complex, multi-system symptoms that elude ...

Histamine is a chemical that your body produces, playing a vital role in immune responses, particularly those related to allergies, and also influencing the gut, brain, and overall immune function.

Histamine is a chemical the immune system releases in response to allergens, triggering an allergic reaction. Many foods also contain histamine, which is broken down by an enzyme in the gut. Some ...