rat Achilles transection model (preclinical)
Search peptides — top sellers first
Search peptides — top sellers first
Search peptides — top sellers first
Up to 72% faster tendon healing in animal studies
Made in USA — Synthesized in our cGMP-compliant US facility
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Frequently bought together
Researchers usually add these to complete the protocol.

BAC Water · 3ml
Essential · extras

GHK-CU · 50mg
recovery

Melanotan 2 · 10mg
Tanning
BPC-157 · 10mg
Certificate of analysis
We don't publish a brand-wide spec sheet and call it a “COA.” The certificate you receive references the actual lot number stamped on your vial — with the raw chromatograms attached.
Freedom Diagnostics
Independent analytical lab
Certificate of Analysis
RESULT · PASS
Analytical results
HPLC Chromatogram
Main peak 99.51% · other 0.49%
Alex Johnson
Principal Chemist
Scanned 8×
Know your compound
BPC-157 is a 15-amino-acid peptide originally identified in human gastric juice, where it seems to help protect tissue. Researchers nicknamed it the "body protection compound" for how broadly it shows up in healing studies.
What draws researchers in is consistency — across rat and cell studies, tendon and ligament injuries appear to close up faster, and the effect keeps reproducing across labs. Much of that traces back to new blood vessel growth at the injury site, one of the most repeatable findings in regenerative-science literature.

For research use only — not for human or veterinary use.
The research
The published findings behind this compound — the headline numbers, in plain terms, each cited to source. Preclinical results are directional (animal / in-vitro) and shown for context, not as therapeutic claims.
rat Achilles transection model (preclinical)
receptor upregulated in preclinical models

Mechanism
A body-protection peptide studied across three repair pathways — each investigated in preclinical models for a distinct role in how tissue heals.
Studied for new blood-vessel formation via VEGFR2–Akt–eNOS signalling — the vascular supply that healing tissue depends on.
Investigated in tendon, ligament and muscle models for load-to-failure strength and fibroblast outgrowth versus controls.
Researched for gastrointestinal mucosal protection and accelerated lesion healing under induced-stress conditions.
For research use only. Mechanisms described reflect published preclinical and clinical literature.
The process
Synthesized
Produced under controlled manufacturing with documented, repeatable processes.
HPLC purity
An independent lab reports the exact purity of every lot — a number, never a 'passes'.
Mass-spec identity
Molecular weight confirms the exact sequence is what the label says.
COA published
The certificate is posted to the open library, by lot, before the vial ships.
Best sellers
FAQ
Common questions about BPC-157
The COA guarantee
Have any lot independently re-tested. If the results don't match the published certificate, we refund the order in full — no returns, no questions.
Order with coverThird-party tested
An independent, accredited lab — no commercial interest in the result.
A COA on every lot
A lot-specific certificate ships with each vial, archived by batch.
Test it yourself → refund
Re-test any batch at any lab. A mismatch is a full refund.