Foods Matter

An independent, UK-based online resource for those suffering from food allergies and intolerances.

International Society of DAO Deficiency

A Madrid-based non-profit organization dedicated to promoting the progress of science and industry in the understanding and therapeutic care of DAO deficiency.

Scientific Association for Research and Education in the Field of Food Intolerances

An Austrian-based independent information platform for practitioners, pharmacists, scientists and persons concerned about food intolerances.

Dr. Janice Joneja

The official website of Vickerstaff Health Services, Dr. Joneja’s consultancy practice. Helpful resources, Q&A fact sheets, Dr. Joneja’s books and more can be found here.

Connect directly with Wendy Busse, MSc, RD

The direct source for Umbrellux™ DAO brand supplemental diamine oxidase in the US.

The direct source for DAOsin® brand supplemental diamine oxidase in Europe.