PetDomain rebrands from ThorneVet, launches pet supplements

Family-owned company has rebranded from ThorneVet and launched a veterinarian-formulated supplement line with 38 products.

PetDomain, formerly ThorneVet, has rebranded and launched a new line of premium pet supplements. The company manufactures GMP-certified formulations in Vermont that it said are verified by independent labs and used by over 1,100 veterinarians.

  • Rebrand Details: PetDomain (formerly ThorneVet) separated from parent company Thorne in 2019 and rebranded in 2023 to focus exclusively on pet health
  • Product Launch: Company launched with 38 products including joint health, longevity, digestive, and calming formulas
  • Quality Standards: All formulations are GMP-certified, manufactured in Vermont, and verified by independent labs to maintain full potency through shelf life
  • Industry Leadership: PetDomain is a founding member of the National Animal Supplement Council

PetDomain, formerly known as ThorneVet, announced its rebrand and new product lineup for pets.

Thorne and ThorneVet operated as one company until 2019, when Kim and Alex Pearson took over operations of ThorneVet and ran it as a separate entity. The team has formulated pet-focused supplements since 2002 and has operated independently since 2019. After Thorne was acquired by new ownership in 2023, the two brands' focuses diverged, with PetDomain concentrating exclusively on animal health.

The company said its launch responds to what it calls the "standard gap" — the assumption that pets do not need, or cannot benefit from, the same quality of care that people now expect for themselves.

"We built PetDomain because pet parents have been holding a higher standard than the supplement aisle was willing to meet," said ," said Alex Pearson, president of PetDomain. "Your pet can't tell you what they need, so the standard for what you give them has to be higher. That's the whole reason this brand exists."

The company said its formulations are developed under a structured process and manufactured to standards it says most pet owners do not typically ask about. PetDomain is a founding member of the National Animal Supplement Council, manufactures in GMP-certified facilities and uses an independent lab to verify that active ingredients remain at full potency through the end of shelf life, not only at the time of manufacture.

"Every formula starts with what the animal's body actually needs at that life stage, not with what's convenient to manufacture or market," Pearson said. "That's the difference between vet-formulated and vet-endorsed."

PetDomain said it launched with 38 products and is used by 1,159 veterinarians and practitioners. Products are manufactured in Vermont. The company said it is launching with a lead focus on joint health, which it identifies as the largest category in pet supplements by spend, alongside longevity, digestive and calming formulas already on the market.

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