REMOVES 98% OF ACTIVE CAT ALLERGENS

Introducing our Cat Food Topper, which proactively reduces allergens to help you breathe easy around cats.

As Featured In

"Existing treatments are invasive shots and pills that aren’t much help [...] But one start-up called Pacagen is finally changing all that"

"So unlike traditional allergy medications that focus on symptom relief, Pacagen addresses the root cause of cat allergies.”

how it works

Cats produce an allergen called Fel d 1 in their saliva. This is what causes cat allergies.

We engineer proteins called nanobodies that can bind to and neutralize these allergens!

We put these specialized proteins into our Cat Food Topper for easy use - simply sprinkle onto your cat's meal twice per day

The result: up to 98% of allergens are neutralized, which means less sniffles and more cuddles!

How to use it

Sprinkle 1/8 teaspoon onto your cat’s dry, wet, or raw food.

Watch your loved ones enjoy their super-snack.

Use twice a day for optimal results.

Why choose us?

Pacagen Cat Food Topper

Purina LiveClear

Grain-free
Usable with any diet
Contains Science-backed Ingredients

The Science Behind Pacagen

Our search for a better way to manage cat allergens began with an unexpected key player: alpacas! Inspired by their unique immune systems, we developed nanobodies that have the remarkable ability to exclusively bind to Fel d 1 without affecting cats or people.

Through a binding mechanism only possible because of our nanobodies' unique structure, our products are able to reduce airborne Fel d 1 concentrations by up to 98%, making it the most effective cat allergen reducer available.

A Story Rooted In Love

Pacagen’s journey began with love at first sight. When Dr. Evan Zhao and Dr. Siyang Han welcomed their British Shorthair, Miaomiao, into their lives, their joy was quickly met with a challenge—Siyang’s allergies. Determined not to choose between her health and Miaomiao, Evan, a Ph.D. in Chemical Engineering from Princeton University, turned to his expertise. The discovery of nanobodies that neutralize allergens provided the answer.

The result? A cat allergen spray, safe for pets and people. “Now, we can enjoy Miaomiao without worry—and that’s what I want for every pet family,” Evan shares.

Have Questions?