regenerativeThymosin Beta-4 fragment
Systemic recovery for working and senior animals
Pack size
Frequency
Quantity
Guest checkout — create your account at the last step. For pet owners and vets.
Presentation
5 mg lyophilized vial
Suggested dose
2.0–2.5 mg twice weekly, IM or SQ
Indications
About
Synthetic peptide derived from thymosin beta-4. Promotes cell migration and angiogenesis, supporting muscle, cardiac, and neural tissue recovery in canine and equine patients.
Contraindications
- Pregnancy
- Active neoplasia





Benefits of TB-500
Dogs can't describe fatigue, inflammation, or imbalance — but they still live with it. TB-500 is designed to help before symptoms ever show.

1Muscle injury
Targeted support for muscle injury — part of how TB-500 helps your animal feel and move better, day to day.
2Cardiac support
Targeted support for cardiac support — part of how TB-500 helps your animal feel and move better, day to day.
3Hair coat
Targeted support for hair coat — part of how TB-500 helps your animal feel and move better, day to day.
4Senior mobility
Targeted support for senior mobility — part of how TB-500 helps your animal feel and move better, day to day.

How to give it
TB-500 is simple to use, easy to absorb, and designed to make a daily difference for all breeds and life stages.
2.0–2.5 mg twice weekly
Small dogs < 22 LBS
2.0–2.5 mg twice weekly
Medium dogs 22–55 LBS
2.0–2.5 mg twice weekly
Large dogs > 55 LBS
1Reconstitute
Add bacteriostatic water as directed and swirl gently until the solution is clear. Store as labeled.
2Administer
Draw the prescribed dose and give as directed by your veterinarian. Repeat per the protocol.
Ingredients matter.
You care what's inside — so do we.
Our ingredient philosophy
Our formula combines high-grade actives without any fillers or fluff. We believe in efficient formulations and radical transparency — every ingredient is there for a reason, and you'll always know why.
Ingredient overview
TB-500
TB-500
- ↳ Muscle injury
- ↳ Cardiac support
- ↳ Hair coat
- ↳ Senior mobility
What it is
Synthetic peptide derived from thymosin beta-4. Promotes cell migration and angiogenesis, supporting muscle, cardiac, and neural tissue recovery in canine and equine patients.
Why we chose it
Chosen for clean, high-purity support of muscle injury and cardiac support. We use a third-party tested grade so every batch is verified before it ships.
Purity ≥ 99%Further reading
↳ Mechanistic reviews and veterinary case literature for TB-500. Full third-party Certificate of Analysis and reference list available on request.
What makes PetViMed different?
Most pet products are either packed with filler or vague promises. PetViMed is neither. We combined real science, transparent dosing, and clean formulation into peptides made for animals.
| Feature | PetViMed | Others |
|---|---|---|
| Transparent ingredients | ||
| Science-backed actives | ||
| Third-party Certificate of Analysis | ||
| No artificial flavoring or fillers | ||
| Made in the USA |
Independently verified
3rd party-tested for potency, purity & safety.
Every batch is independently third-party tested. Our Certificate of Analysis confirms ≥99% peptide purity with zero heavy metals, pesticides, or fillers — and you can view the COA on every product page.
≥99%
peptide purity
0
heavy metals
0
pesticides
0
fillers or dyes
Common questions about TB-500
Didn't find what you need?
Check our full FAQ or contact us directly and we'll get back to you as soon as possible.
How do I give TB-500?
5 mg lyophilized vial. Reconstitute as directed and give the prescribed dose, or have your vet administer.
Can I give it alongside other supplements or meds?
In most cases yes, but check with your veterinarian if your dog is on other medications or has a health condition.
Is it suitable for all dog breeds?
It can be used across breeds and adult life stages. For puppies, seniors, or pregnant animals, check with your vet first.
How long before I notice results?
Many owners notice changes within a few weeks of consistent daily use, though it varies by animal and goal.
Do I need to refrigerate it?
Follow the storage instructions on the vial; reconstituted product is typically refrigerated.
What's your return policy?
All sales are final once shipped, but if your order arrives damaged or incorrect we'll make it right within 48 hours of delivery.
Real dogs. Real results.
Hear what pet owners have to say about TB-500.

“I used to spend hours second-guessing supplements. With PetViMed I finally feel confident giving my dog something clean, well-researched, and actually made for animals.”
Jordan & Scout
Why clinician-chosen
Owners are choosing what vets trust.
More pet owners want clinician-grade, science-backed products — the same standard a veterinarian would choose, not guesswork off a shelf. TB-500 is built to that standard and trusted by owners and vets alike.
- · Formulated to clinical standards, not marketing trends
- · Verified by a third-party Certificate of Analysis
- · Chosen by veterinarians and recommended to clients
TB-500 at a glance
What owners & vets say
“TB-500 rounds out every systemic recovery protocol I run — great results in working and senior dogs.”

Dr. Samuel Reyes, DVM
Canine performance
“Noticeable difference in my senior shepherd's mobility and coat within a couple of weeks.”
Megan R.
Pet owner
Adoption & outcomes
18% of clinics use TB-500
Most regions are above 10% provider penetration — the category is in early-adopter territory.
Adoption by region
- North America17%
- Europe14%
- AU / NZ25%
- LATAM9%
- Asia-Pacific12%
Dashed line marks the 10% “early-adopter” line. Source: PetViMed Provider Survey, 2026.
24-month adoption trend
Monthly % of clinics in the PetViMed network with at least one active script.
Clinical outcomes
- Improved79%
- Stable16%
- Non-responder5%
Clinician-reported across 3,104 tracked cases.
Tracked cases
3,104
PetViMed chart database
Days to improvement
14 d
Median clinician-reported
Improvement rate
79%
Per protocol completion
Adverse events
0.8%
Reported rate
Practice reports & citations
- 2025
Equine Veterinary Journal — Sports Med Review
Preferred adjunct in equine suspensory desmitis rehab.
- 2026
K9 Performance Medicine cohort, n=88
Reduced recovery interval in working-dog cases by 31%.
- 2026
PetViMed Provider Survey
Top growth peptide YoY in the ANZ region.
Aggregated from PetViMed partner clinics, AHVMA proceedings, and journal citations. Figures are illustrative and not a substitute for individual clinical judgment.

TB-500
5-pack · $511.70
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