Mixlab

Mixlab is a full-service veterinary pharmacy that dispenses compounded, commercial and over-the-counter medications for animals and ships them to customers in all 50 states. The company compounds prescriptions to order, tailoring dosage, dosage form and flavor to an individual animal, and offers more than 30 flavor options backed by a flavor guarantee. It serves dogs, cats, equine, wildlife and other specialty animals, with product categories spanning flea and tick, heartworm prevention, arthritis and joint health, anxiety, gastrointestinal, cardiac, seizure, respiratory, allergy, urinary and kidney, diabetes and sedation.

For pet owners, orders are placed online, with Mixlab coordinating prescription approval directly with the animal's veterinarian, shipping free of charge, and providing order tracking through an owner portal plus refill reminders and text-based updates; shipments arrive in personalized packaging. For veterinary prescribers, Mixlab operates eMix, an online platform for submitting prescriptions, approving refills, tracking orders and accessing patient history, with integrations and API access; eMix is powered by Maisy, the company's AI engine, which supports workflow automation and recommendations. Mixlab describes itself as veterinary-exclusive and states its pharmacies are PCAB-accredited.

Founding story

Mixlab was founded in 2017 by Fred Dijols together with CXO Stella Kim and Director of Pharmacy Vinnie Dam, with the aim of making medicating pets easier by addressing flavor, form and dosage difficulties. Dijols holds an M.S. from Stanford and an MBA from Harvard Business School; Kim holds a degree from NYU with prior experience at firms including IBM, and Dam holds a USC degree with pharmaceutical experience.

Business model

Mixlab operates its own compounding and dispensing pharmacies and sells prescription and over-the-counter animal medications directly to pet owners on the basis of veterinarian prescriptions, while providing veterinarians with a free-to-use prescribing and fulfillment platform. The company handles fulfillment, delivery and refill management on behalf of prescribing practices.

Revenue is generated from the sale and fulfillment of compounded, branded, generic and over-the-counter animal medications ordered by pet owners and prescribed by veterinarians.

Traction

As of the August 2023 funding announcement, Mixlab served thousands of pet parents and veterinarians nationwide from labs in New York City and Los Angeles, with an investor citing customer service and retention metrics as a factor in the round. The company reported a year of rapid growth ahead of its January 2026 Maisy announcement. Veterinarians at practices including ACCESS Specialty Animal Hospitals, Bond Veterinary Clinic and The Vets provide public testimonials.

Latest developments

In January 2026 Mixlab announced the upcoming launch of Maisy, an AI health partner and the engine behind its eMix prescribing platform. Earlier, in September 2024, it introduced a client portal to simplify veterinary prescription management.