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BPC-157 vs TB-500: what the research found
BPC-157 is a 15-amino-acid peptide studied in tendon, gut and tissue-repair models, including a pharmacokinetic study in rats and beagle dogs. TB-500 is the synthetic version of the active segment of thymosin beta 4, studied for tissue repair and cell migration. Owners often use both — and the Recovery Stack offers them in one vial for $129.99.
Side by side
Research, origin, and how to shop.
| BPC-157 | TB-500 | |
|---|---|---|
| What it is | 15-amino-acid peptide studied in tendon, gut and tissue-repair models | Synthetic fragment of thymosin beta 4's active segment (LKKTETQ) |
| Headline studies | Staresinic 2003 (rat Achilles tendon); Chang 2011 (rat tendon cells); He 2022 (rats and beagle dogs, 45–51% bioavailability in dogs) | Malinda 1999 (rat wound model, 42% and 61% reepithelialization); Philp and Kleinman 2010 (animal studies review); Ho 2012 (active segment mapped in horses) |
| Sizes and price | 5 mg $79.99 · 10 mg $99.99 | 5 mg $89.99 · 10 mg $129.00 |
| Shop | BPC-157 product page | TB-500 product page |
What the community is doing
The Wolverine stack, ready in one vial.
In the peptide community, BPC-157 with TB-500 is the Wolverine stack — the pairing owners discuss most for recovery research. Adding GHK-Cu makes the Glow stack. Pure Pet Peptide sells each peptide on its own, the Recovery Stack for both, and Glow when you want all three together, each lot third-party tested with >99% purity on every lot.
Which to choose
BPC-157 alone
Start here for the tendon and gut research file, including the beagle pharmacokinetic study.
Shop BPC-157TB-500 alone
Choose the thymosin beta 4 fragment owners pair with BPC-157 for tissue-repair research.
Shop TB-500Both together
The Recovery Stack puts 5 mg of each in one vial for $129.99 — one lot, one COA.
Shop Recovery StackWant all three peptides? Shop Glow or compare blends on Glow vs Klow. Verified purity lives on /quality.
Buying questions
What is the difference between BPC-157 and TB-500?
BPC-157 is a 15-amino-acid peptide researchers have studied in tendon, gut and tissue-repair models, including a pharmacokinetic study in rats and beagle dogs. TB-500 is the synthetic version of the active segment of thymosin beta 4, studied for tissue repair and cell migration. Many owners choose both, which is why the Recovery Stack exists.
What is the BPC-157 + TB-500 Recovery Stack?
The Recovery Stack is BPC-157 5 mg and TB-500 5 mg in one vial for $129.99. It is the pairing the peptide community calls the Wolverine stack, ready in a single order from one lot with one COA.
What does the research on BPC-157 in dogs show?
A 2022 pharmacokinetic study in rats and beagle dogs found intramuscular BPC-157 reached 45 to 51 percent bioavailability in dogs. Research in rats found accelerated repair of transected Achilles tendon. The research journal summarizes each study with its species and links it to PubMed.