Histamine intolerance can be caused by a number of things, including a lack of DAO enzyme that works to breakdown the production of histamine in your gut. So, eating foods high in certain nutrients and taking nutritional supplements can be helpful in reducing histamine intolerance symptoms. Check out my blog post for more on this. #histamineintolerance#daoenzyme#histamine#lowhistaminefoods#histamineintolerancesymptoms#histaminetriggers