Resumen:
The proposal to form the International Union of Nutritional Sciences (IUNS) was first discussed in July 1946 in London at a meeting that was attended by 22 investigators from 13 countries. Statutes and bylaws were discussed, and the principal objectives of the Union were defined as 1) the exchange of information, 2) the organization of international congresses, and 3) the publication of the results of scientific investigation. Since then, the Union has grown steadily. At first the holding of the congresses was its main task, but, over the course of the years, other equally important activities have been developed, which required long-term planning and efficient administration.