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Together we will end animal experimentation in our lifetime.

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Millions of caring, thinking, feeling beings are tortured and killed for nothing.

Over 95% of drugs

tested on animals fail in human trials.

More than 98% of animals

in labs are excluded from The Animal Welfare Act.

1,609,186 animals

were reported in 1,048 U.S. animal research facilities in 2023 alone.

Meet ARLO

With ARLO — the Animal Research Laboratory Overview — we aim to expose everything we can about what’s happening to animals in research facilities across the U.S., then make that information accessible to you.

Discover what’s happening to animals in labs in your city or at your alma mater now.

Unhide the Truth

ARLO: Peek Into Animal Labs

To find out what’s happening to animals in labs in your hometown or at your alma mater, search our ARLO database.

The animal experimentation industry relies on secrecy to continue business as usual. That’s why we created the animal protection movement’s first publicly accessible research and transparency tool—the Animal Research Laboratory Overview (ARLO). ARLO aims to expose everything we know about laboratories experimenting on animals across the United States. 

Search ARLO Now

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Every gift—big or small—helps us free animals from torture in labs.