Allergy symptom relief agent

摘要

The present invention provides a novel allergic symptom-relieving agent that is derived from a natural product and has less worries about side effects, such as synthetic drugs. Provided is an allergic symptom alleviating agent having an inhibitory effect on the release of chemical mediators by using isoflavones such as daidzein and genistein and metabolites of isoflavones such as equol as active ingredients.