Pet Domain | Science Backed Pet Supplements - PetDomain

Pet-approved. People-trusted.

Designed to support the energy, curiosity, and joy that make our pets who they are.

Science-Backed

Vet formulated

Pet Approved

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Gluten Free

Vet Formulated

Non-GMO

3rd Party Lab Tested

Clean Label

Better Ingredients

Even the best diets can fall short—that’s why our vet-approved formulas deliver real results with high-quality, science-backed ingredients.

NASC-Certified

Bestsellers

science-backed

animal health supplements

PetDomain develops science-backed animal health supplements trusted by veterinarians and pet owners. Our clinically formulated products deliver effective support to help pets live healthier lives.

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Veterinary Expertise

Expert Insights & Pet Wellness

Stay informed with the latest in pet health, backed by our team of experts. From nutrition to behavior, our articles provide trusted guidance to help your pet live a happier, healthier life.

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The Wall of Love

Real pets, real stories—see why pet parents love us!

“My girls are like new puppies; it’s been great. Lulu is back to having zoomies, and Maisie is actually running about with me as I attempt to encourage her to be more active.”

Kim vCollagenVET

“Within 3 days of starting my dog on it, his energy level increased dramatically. It was amazing. I’ve never seen such an instant improvement from a supplement, either in dogs or people.”

Susan DKidney Support Formula

“Hemp Tincture STOPS my Golden Retriever’s skin allergies/hot spots. We ran out & within days she has an open sore from licking.”

Christine RPetDomain Hemp Tincture

“This past week my nearly 14 year-old dog went bounding up stairs that he’s avoided for quite a while and has wanted to play more with his toys and other dogs.”

Tracy wJoint Support Formula Powder

“He started to appear healthier after about a week and his shedding greatly reduced. Also, I was able to mix the powder with his wet food and he didn’t hesitate to eat it either.”

Kerri BFeline Basic Nutrients

“My elderly dog is feeling amazing since he started Canine Geriatric Basics!! He is running, moving more easily, engaging with our family more and even growing new hair.”

LeslieCanine Geriatric Basics Powder

Dog Supplements

Cat Supplements

Supporting Your Pet Through 4th of July Celebrations: Science-Backed Calm Support

Does My Pet Actually Need Digestive Enzymes?

PetDomain Digestive Enzyme Formula

Update: More Concentrated Powders for Superior Pet Nutrition

Dog Supplements

Cat Supplements