DR Healthcare has launched an awareness campaign on DAO Deficiency under the title ME AGAIN. In it, four siblings discover that the different symptoms that affect them: migraine, fibromyalgia, digestive disorders, atopic skin and ADHD (in the son of one of them), may have a common genetic origin in DAO Deficiency.

You can access the videos and the content of the campaign by clicking on the following button.

DR Healthcare

We are a Biomedical Company specialized in Medical Nutrition.

Founded in 2007 in Barcelona, ​​we manufacture, research, develop, innovate, market and carry out licensing -out of new nutraceutical products, functional foods, active ingredients and customized solutions.

Our great value is research and we firmly believe in the “Enterprise-University” alliance, developing our activities in two R&D centers.

DR Healthcare is a business unit de AB Biotek. For more information access to www.abbiotek.com


Manufacturing for third parties

DR Healthcare manufactures and markets the active substance (Diamine Oxidase – DAO enzyme) for third parties, both for human and animal use.

We make available to pharmaceutical and food companies that are looking for a reliable supplier, the highest levels of quality, regulatory support and production of Diamine Oxidase, manufactured in our enzyme production plant located in Tarragona (Spain).

The production of this ADI (Active Dietary Ingredient) is vertically integrated so it is able to control the intermediates of its manufacturing.

Customized solutions

DR Healthcare stands out as a leading company in the production of Diamino Oxidasa, which allows us to offer tailored solutions for use in the veterinary, animal health and food sectors.

Our solutions based on Diamino Oxidase are adapted to the new food control standards, which stipulate the control of histamine levels in order to avoid risks of poisoning due to the consumption of large amounts of this biogenic amine present in food.



Press releases and media’s news

International Congress of DAO Deficiency 2021

You are invited to map a new future in managing DAO Deficiency attending the International Congress on DAO Deficiency. Sign up here SAVE THE DATE: November 4th 2021 At DR HEALTHCARE, we are pioneers in DAO Deficiency. Since our beginnings, scientific evidence and research have driven each one of our steps. The time has come to share this...

Scientific and clinical evidence in DAO deficiency

Histamine Intolerance Originates in the Gut

Nutrients 2021, 13, 1262. https://doi.org/10.3390/nu13041262 Wolfgang J. Schnedl 1,* and Dietmar Enko 2 1 General Internal Medicine Practice, Dr. Theodor Körnerstrasse 19b, A-8600 Bruck, Austria2 Clinical Institute of Medical and Chemical Laboratory Diagnostics, Medical University of Graz,Auenbruggerplatz 15, A-8036 Graz, Austria; enko.dietmar@gmx.at...


Actividad de DiaminoOxidasa (DAO) sérica en pacientes migrañosos

Estudio realizado en la Unidad de Cefalea del Hospital General de Cataluña con un total de 198 voluntarios, divididos en dos grupos: Un de 137 pacientes diagnosticados de migraña por la Unidad de Cefalea del Hospital de acuerdo con los criterios actuales de la IHS y un grupo control integrado por 61 voluntarios sin diagnóstico de migraña. Las muestras de sangre...

Activities and events

The food origin of migraine as a result of Diamine Oxidase (DAO) enzyme deficiency

3rd International Conference and Exhibition on Nutrition & Food Sciences. September 2014, Valencia Convention Centre, Spain. Adriana Duelo, International Society of DAO Deficiency, Spain. Journal Nutritional Food Sci, 2014 Volume 4, Issue 5, page 54.
St/Escoles Píes, 49, 08017
DR HEALTHCARE ESPAÑA, S.L. (Barcelona, Spain)