The following foods contain higher levels of histamine:
fermented dairy products, such as cheese (especially aged), yogurt, sour cream, buttermilk, and kefir.
fermented vegetables, such as sauerkraut and kimchi.
pickles or pickled veggies.
kombucha.
cured or fermented meats, such as sausages, salami, and fermented ham.
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Low-Histamine Diet: Which Foods Should I Avoid? - Healthline
