Antihistamines are designed to prevent histamines from binding to histamine receptors, particularly H1 and H2 receptors. Learn about the signs, symptoms and 8 causes of histamine intolerance and what you can do to get rid of the 4 types of histamines. Leaky gut: Leaky gut allows large particles of undigested food to enter the bloodstream, alerting the immune system, which releases histamine in response to the threat. Before we start with a list of foods low in histamine, we should know that this is not about following the right or wrong diet. The goal of functional medicine is to address the root cause, the cause of histamine intolerance. It is difficult to determine the exact amount of histamine in food. Therefore, you will find conflicting information and different food lists on the internet. Candida overgrowth: Fungal infections and histamine intolerance are closely related. Headaches, brain fog, chronic nasal congestion, bloating, restless legs, yes, these are all signs of histamine intolerance. D-Hist – This product combines 5 powerful nutrients to relieve symptoms and eliminate histamines naturally. DAO Enzymes – DAO supplements are most useful for people who have problems breaking down histamine rather than overproducing it. But antihistamines do not eliminate histamines from the body, which means they bind freely to the remaining receptors.