Registration for YWM2023-Virtual is NOW OPEN!

Registration for YWM2023-Virtual is NOW OPEN! Experience the latest science-based education on weight and health right at your fingertips! REGISTER FOR FREE!

We're thrilled to announce the premiere of a one-of-a-kind discussion, THE WHALE: IN CONVERSATION WITH OAC, a heartfelt and honest conversation between lead actor Brendan Fraser, playwright Sam Hunter and the OAC volunteers who helped shape the portrayal of someone living with severe obesity for Charlie, the film's main character.

Check Out OAC's Resource Library!

Our resource library offers quality, science-based information on obesity, treatment, nutrition, exercise & much more! Explore hundreds of topics to help YOU on your journey with weight and health!

The Obesity Action Coalition, OAC, is a national nonprofit organization dedicated to giving a voice to the millions of Americans affected by the disease of obesity and empowering them along their journey toward better health.


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Together We Are Making A Difference.

Since its inception in 2005, the OAC has grown to be the nation’s leading voice on obesity. Today, we’re a more than 70,000 member-strong national nonprofit focused on:

  • Raising awareness and improving access to prevention and treatment of the disease of obesity
  • Providing evidence-based education on obesity and its treatments.
  • Fighting to eliminate weight bias and discrimination.
  • Elevating the conversation of weight and its impact on health.
  • Offering a community of support for people affected.

Your support fuels our mission. When you participate, advocate and donate, you help us to create a better world for the more than 93 million Americans affected by the disease of obesity. With your help, we can continue to elevate and empower those affected by obesity through education, advocacy and support.

Make a difference today.

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OAC donation hand with giftYour tax-deductible donation helps the OAC to raise awareness, advocate for improved access, provide evidence-based education, fight to eliminate weight bias and discrimination and elevate the conversation of weight and its impact on health.