AmericanPeptide
Catalog/BPC-157

BPC-157

Also known as Body Protective Compound 157 · PL 14736

Synthetic gastric pentadecapeptide investigated for tendon, ligament, and GI repair.

Overview

BPC-157 is a 15-amino-acid sequence derived from a protective protein found in human gastric juice. Preclinical work suggests pro-angiogenic and cytoprotective activity across tendon, ligament, muscle, and GI tissue.

Background

BPC-157 (Body Protective Compound-157) is a synthetic 15-amino-acid sequence derived from a protective protein identified in human gastric juice. It is studied as a cytoprotective and pro-angiogenic agent, with most of the interest centered on connective-tissue and gastrointestinal repair.

Essentially all of the evidence is preclinical — cell cultures and rodent models — and BPC-157 is not approved by the FDA for any use. It is widely discussed in the tissue-repair literature but lacks the controlled human trials that characterize approved peptides, so model choice and endpoint definition are central caveats.

Mechanism

Putative upregulation of VEGFR2 and modulation of nitric oxide / growth factor pathways.

Key research findings

  • Tendon & ligament repair — rodent models studied for healing of tendon, ligament, and muscle injury.
  • Gastrointestinal protection — examined in models of ulcer and inflammatory bowel disease.
  • Angiogenesis — proposed to upregulate the VEGFR2 receptor and promote new-vessel formation.
  • Nitric-oxide & growth-factor pathways — investigated as part of its cytoprotective mechanism.
  • Preclinical only — no controlled human trials; not FDA-approved.

How BPC-157 is made

Behind every vial of BPC-157 is the same exacting pipeline every research peptide runs — but the chemistry plays out differently for this molecule. Here is how BPC-157, specifically, is brought into being.

  1. On paper first

    On paper, BPC-157 is C62H98N16O22 — about 1,419.5 daltons of precisely arranged atoms. Before a single bond is made, the target sequence, salt form, and purity threshold are written down as the contract the finished material must meet.

  2. Built residue by residue

    Assembling BPC-157 means roughly 15 coupling cycles on the synthesizer — one protected residue added at a time, which is also 15 chances for an incomplete coupling to seed a deletion impurity.

  3. Purity is won here

    The crude mixture — BPC-157 plus its deletions and side products — is then separated on preparative HPLC, and where the cut is taken decides the difference between a genuinely pure peptide and a barely-passable one.

  4. Proven, then protected

    A real batch of BPC-157 proves itself: identity confirmed by mass spectrometry against its ~1,419.5 Da, purity read directly off an analytical HPLC trace, water and counterion content measured. That batch-specific certificate of analysis is the only honest way to know what is actually in a vial of BPC-157 — and a short, cold, accountable chain of custody is how that purity survives the trip to your bench.

Walk the full synthesis pipeline

Handling, storage & why purity is hard

At 15 residues BPC-157 is a comparatively short synthesis, which makes it cheap to produce — and cheap to fake. The short, low-cost sequence is exactly why the market is flooded with under-characterized material; a batch-specific certificate of analysis is the only way to tell real from filler.

Storage
Lyophilized: store frozen and protected from light for long-term stability. Reconstituted: refrigerate at 2–8 °C and use within weeks.
Handling
Reconstitute gently and avoid shaking; protect from heat, light, and repeated freeze–thaw.

Don't judge a vial by its cake. A fluffy, good-looking lyophilized powder reflects bulking agents and freeze-drying parameters — not purity. Insist on a batch-specific certificate of analysis.

How peptides are made — the full pipeline

Research areas

  • Tendinopathy
  • Wound healing
  • IBD models

Research-area guides

Frequently asked questions

What is BPC-157?+

BPC-157 is a synthetic 15-amino-acid peptide derived from a protein in gastric juice, studied in preclinical models for tissue repair and cytoprotection.

What is BPC-157 studied for?+

Research contexts include tendon, ligament, and muscle repair, gastrointestinal protection, and angiogenesis — almost entirely in cell and animal models.

Is BPC-157 FDA approved?+

No. BPC-157 is not approved for any medical use and the evidence base is preclinical. This page is a research and educational reference only.

What is the proposed mechanism?+

Studies point to upregulation of the VEGFR2 receptor and modulation of nitric-oxide and growth-factor pathways, though the mechanism is not fully established.

Related peptides