Why Do Foods Have Histamines. Its usually the foods that you eat the most that are giving you the most problems. Sauerkraut vinegar soy sauce kefir yogurt kombucha etc Vinegar-containing foods.
Fermented foods and drinks are very high in histamine. Histamine is a neurotransmitter that travels through your body in your bloodstream and helps break down food in your stomach. Fresh unprocessed foods have the lowest levels.
If you have a food allergy histamines are in on that response process too.
This is an immune response to perceived dangers to the body. There are exceptions to this rule however. This helps the digestive tract work normally. Histamine is a naturally occurring substance which can cause an allergic reaction in those who are sensitive to histamine.