
Age-related joint stiffness or mobility decline. You've tried glucosamine. This goes further.
We make what we give our own dogs — starting with K9-REPAIR, the recovery stack Choo Choo runs every week.

The pause before the jump. The stiff first steps. The walks that become shorter. They’re not just “one-offs.” It’s joint and soft-tissue stress, and it almost never gets a name.
the clear signal
dogs over eight have arthritis on x-ray.
But joint wear is rarely the first thing we notice in dogs.
by joint, in dogs over eight · Roitner et al., The Veterinary Journal, 2024 →


free BAC water + dosing guide with every pack
full cycle for small dogs · 4-week for medium/large
you notice the little changes
Walks getting slower.
Your dog used to be unstoppable. Now, you notice them slowing down. You’ve tried the usual joint supplements but ingredients alone only go so far.
Your dog’s joints, tendons, and ligaments need more than raw materials. They need instructions.
★★★★★“She's 11 and could barely make it around the block. Three weeks in and she's walking to the park again. By week six she was playing with our younger dog, which she hadn't done in years.”
★★★★★“My shepherd works cattle every day. At eight he was sore for days after a hard run. Now he shakes it off overnight, honestly moving like he did at four.”
★★★★★“Labs and their hips, you know the story. This is the first thing that's made a difference I can actually see. She runs to the door to meet me again.”
★★★★★“I'll be honest, I didn't think anything would help at his age. Two months in and Gus is doing the stairs on his own again. I'm a believer now.”
Owner-submitted experiences, shared for marketing purposes. Individual results vary and are not guaranteed. K9-REPAIR™ is sold for research purposes; owner experiences are anecdotal, are not clinical evidence, and are not a substitute for veterinary advice.
is k9-repair™ right for your dog?

Age-related joint stiffness or mobility decline. You've tried glucosamine. This goes further.

Agility, hunting, working K9s. The constant stress on joints needs more than rest: faster recovery, maintained performance.

Recovering from ACL/CCL tears, tendon injuries, ligament damage, or soft-tissue trauma. Support the body's natural repair.

After TPLO, TTA, hip surgery, or other orthopedic procedures. Support tissue recovery and get back to normal sooner.

German Shepherds, Labs, Goldens, Rottweilers, breeds prone to hip and elbow dysplasia. Targeted support where it's needed.

stiff mornings, hesitating at stairs, shorter walks
8 weeks of K9-REPAIR — a small daily dose, 5 days on, 2 off
easier rising first, then the stairs and the walks — most owners notice by weeks 4–8
daily movement, and a maintenance cycle when your dog needs it
free download
Reconstitution, handling, the at-home walkthrough, and the full cycle. The exact guide that ships in every box. Plus 10% off your first order.
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how we know
Left for dead, blind in one eye, rescued anyway. Six months ago Michael was preparing to say goodbye — quarterly labs and K9-REPAIR every week gave Choo Choo back his years. He runs exactly what we sell.
1% of every sale goes to chootherescue — the rescue we’re building for the dogs nobody else will take.





PawScript · coming soon
A vet tech draws labs at home. Scout reads them. Your dog gets a PawScore and a protocol built from the numbers — and you only ever add the products the numbers call for.
a vet tech comes to your home
one PawScore, every system graded
a protocol from the numbers — add only what they need
questions owners ask
The compounds, the dosing, the safety — no hedging.
BPC-157 is a short peptide — a chain of 15 amino acids — studied for over 30 years in animal models of tendon, ligament, muscle and gut repair. In K9-REPAIR™ it is paired with TB-500 and dosed to your dog’s weight. It is sold for research purposes; no controlled canine trials have been completed.
TB-500 is a synthetic version of thymosin beta-4, a protein involved in moving repair cells to damaged tissue. In research models it supports tissue regeneration and recovery after injury. K9-REPAIR™ combines it with BPC-157 in one vial.
BPC-157 and TB-500 have strong safety profiles across decades of animal research, and both are used widely in the working-dog and equine recovery world. Neither is an FDA-approved drug. Talk to your veterinarian before starting, especially if your dog has an existing condition or takes prescription medication.
By weight. K9-REPAIR™ ships with BAC water, a plain-language weight-based dosing guide, and the 5-days-on / 2-days-off rhythm for an 8-week cycle. It is a small subcutaneous injection under loose skin — the same way diabetic dogs get insulin at home.
Owners most often report subtle changes in 1–2 weeks, less stiffness by weeks 2–4, and the biggest mobility gains between weeks 4–8. Every dog is different, which is why K9-REPAIR™ carries a 60-day money-back guarantee.
K9-REPAIR™ is built to signal joint and soft-tissue repair at the source rather than mask pain. Owners of senior dogs, large breeds prone to hip and elbow dysplasia, and dogs recovering from ACL/CCL injury make up most of our customers. It is sold for research purposes and is not a treatment claim — read the research and decide with your vet.
Glucosamine supplies raw building blocks the body may or may not use. BPC-157 and TB-500 are signaling molecules that activate specific repair processes. Think delivering materials versus sending the crew that knows how to build.
Generally yes — most owners run it alongside joint supplements and omega-3s. If your dog is on prescription medication, especially NSAIDs or steroids, check with your vet first.
Here. K9-REPAIR™ is made in the USA, third-party tested by Kovera Labs (certificate on the product card), ships within 24 hours, and includes free BAC water and the dosing guide. From $80, 60-day guarantee.
Neither compound is an FDA-approved drug and no controlled canine trials have been completed, so we do not claim K9-REPAIR™ treats or prevents anything. We sell the research-grade compound the studies describe, lab-tested, with the research linked so you and your vet can make the call.

Pay with $CHOO and save 20%. Every order burns supply, and 1% of every move funds a real rescue for the dogs nobody else will take.