Giving our best friends more time
Wally
Tibetan Mastiff
Odie
Whoodle
We’re developing drugs intended to help dogs live longer, healthier lives.
By targeting the underlying causes of canine aging, we hope to prevent and delay the onset of many age-related diseases.
Discover our products Loyal is a clinical-stage veterinary medicine company.
Our work is backed by decades of research on the biology of aging. Our team of experts in dog health and longevity is dedicated to helping your dog live longer by expanding upon this research and developing better ways to quantify the aging process in dogs.
About us 
Wally
Tibetan Mastiff
Be a part of what we’re building.
Pet parents
Join the list for early access to our upcoming studies, products, and company news.
Veterinarians
Discover how participating in our clinical trials can help dogs and benefit your practice.
Learn more
Gambit
Lancashire Heeler
Join the Loyal team
We believe aging is one of the most impactful problems you can work on. We are building the best environment to tackle ambitious, challenging goals.
Gambit
Lancashire Heeler