This is the point where DAO supplements come in handy. DAO, or diamine oxidase, is an enzyme that breaks down histamine in the body. Taking a DAO supplement can help alleviate symptoms of ...

Antihistamines work by blocking histamine activity, alleviating these symptoms. While many over-the-counter (OTC) medications ...

you should always consult your healthcare provider before starting a supplement to ensure it's safe. Common side effects of vitamin B6 supplementation may include: Doxylamine is an antihistamine ...