Welcome to the IASO Website

Obesity Reviews – now the world’s leading obesity journal!

One of IASO’s journals Obesity Reviews has recently achieved its first impact factor – 7.821* making it the top ranked obesity journal

The International Association for the Study of Obesity

IASO is an umbrella organisation for national obesity associations which comprises 52 member associations, representing 56 countries.

If you are a member of one of these 52 associations you are automatically a member of IASO and can take advantage of our member benefits such as reduced rate registration fees at IASO congresses and reduced subscription to our portfolio of medical journals.

For a list of our member associations, please click here.

Please contact us if you wish to access the members' zone.

Mission Statement

To improve global health by promoting the understanding of obesity and weight-related diseases through scientific research and dialogue, whilst encouraging the development of effective policies for their prevention and management.

Registered Charity Number: 1076981