A small 2018 study showed that a 4-week low-histamine diet helped reduce symptoms in adults with hives. However, more high quality studies on histamine intolerance to better understand the ...

as freezing foods slows histamine production more effectively than refrigeration. Here are some other foods that are naturally high in histamines, according to Hamilton: Hamilton adds that some ...

That list includes shellfish ... poses a potential problem because enzymes can change histidine into histamine. Foods with high levels of free histidine include fish such as tuna, bonito, mackerel ...

Histamine intolerance refers to when the body cannot eliminate histamine. This can result in symptoms that mimic an allergic reaction. It can occur due to genetic factors or certain medications.