This invention provides an anti-allergic substance that effectively inhibits allergic symptoms by inhibiting production of the IgE antibody associated with the development of allergies. Anti-allergic substances, pharmaceutical products (i.e., anti-allergic agents), and food (i.e., food with health-promoting benefits) containing strawberry-derived glyceraldehyde-3-phosphate do not cause side effects such as those caused by steroids, and such substances can be consumed through daily meals and can alleviate allergic symptoms.
