Also referenced as: Body Protection Compound 157, PL 14736
A literature-led overview of the pentadecapeptide BPC-157 — what has actually been measured in animal and in-vitro models, what remains unknown, and how research-grade material is characterised.
7 min read · Literature review · Updated 2026
Research-grade BPC-157 vials — ≥99% HPLC purity, lot-matched COA on request, from $31.99.
Shop BPC-157BPC-157 is a synthetic pentadecapeptide — a 15-amino-acid sequence derived from a partial sequence of a protein isolated from gastric juice. In the laboratory it is handled as a lyophilised powder, reconstituted with bacteriostatic water immediately before use and characterised by reverse-phase HPLC with identity confirmed by mass spectrometry.
Nearly all of the published work on BPC-157 comes from rodent models and cell culture. There are no completed, peer-reviewed, placebo-controlled human efficacy trials, which is the single most important caveat when reading summaries of its reported effects.
The effects most consistently described across published models cluster around tissue repair and vascular signalling. Each of the areas below is preclinical: the observation was made in an animal model or a cell assay, not in a controlled human trial.
Tissue-repair models
Rodent tendon, ligament, muscle and bone-defect studies report accelerated closure and improved biomechanical measurements versus untreated controls.
Gastrointestinal mucosa
The earliest and largest body of work examines gastric and intestinal lesion models, where BPC-157 is described as protective of mucosal integrity.
Angiogenesis
Endothelial assays report increased tubule formation and cell migration, commonly attributed to VEGFR2–Akt–eNOS signalling.
Nitric-oxide system interaction
Several papers describe BPC-157 counteracting both NO-blockade and NO-excess states, suggesting a modulatory rather than a purely agonist role.
Published rodent work generally reports low acute toxicity and few observed adverse events at the doses studied. That is not the same as an established safety profile. The relevant gaps are specific and worth stating plainly: no chronic-exposure human data, no controlled dose-ranging in humans, no long-term carcinogenicity or reproductive toxicity dataset, and no regulatory review of the compound as a therapeutic.
Because the angiogenic signalling described above is non-selective in cell models, several reviews flag proliferative tissue as an open question that preclinical data cannot resolve. Material sold for research is not evaluated for human or veterinary use, and Peptide Lounge does not publish dosing protocols or administration guidance for any compound.
Peptide identity and purity matter more than headline claims. Every BPC-157 lot supplied by Peptide Lounge is released at ≥99% purity by RP-HPLC with identity confirmed by ESI-MS, and a lot-matched certificate of analysis is available on request rather than a generic sample document.
Vials ship lyophilised and sealed under argon and are stable at ambient temperature during transit. Store unreconstituted vials refrigerated and protected from light; once reconstituted, keep refrigerated and treat as a short-dated solution. Experimental concentrations must be determined by the researcher from the peer-reviewed literature under their own institutional protocol.
BPC-157 is stocked as a 10mg single-compound vial, with volume pricing applied automatically for multi-vial orders. A co-lyophilised BPC-157/TB-500 blend is also available for protocols comparing combined repair-pathway formulations against single compounds.
Published preclinical work describes accelerated closure in tendon, muscle and gastrointestinal lesion models, plus increased endothelial migration and tubule formation in angiogenesis assays. All of these findings come from animal or in-vitro studies, not controlled human trials.
Rodent studies generally report low acute toxicity and few observed adverse events at studied doses. The meaningful limitation is absence of data rather than a list of known effects: there is no chronic human exposure data, no long-term toxicity dataset, and no regulatory safety review.
No. BPC-157 is not an approved drug in any major jurisdiction. Material sold by Peptide Lounge is a laboratory reagent for in-vitro and laboratory research only, and is not for human or veterinary use.
Store lyophilised vials refrigerated and protected from light. Reconstitute with bacteriostatic water immediately before use and keep the resulting solution refrigerated. Vials remain stable at ambient temperature during shipping.
Request the lot-matched certificate of analysis for the specific batch you received. It reports RP-HPLC purity (≥99%) and ESI-MS identity confirmation for that lot rather than a representative sample.
Rodent models have investigated tendon, ligament and muscle injury endpoints following systemic or local administration.
Preclinical work has examined mucosal integrity endpoints in chemically induced injury models.
In-vitro and rodent work has reported associations with VEGFR2 signalling and endothelial tube formation.
Reported in preclinical literature to modulate VEGFR2 internalisation with downstream Akt/eNOS activity in endothelial cells.
VEGFR2 → Akt → eNOS → NO
Rodent studies have described interactions with NO-system agonists and antagonists across several injury models.
L-arginine / NO
Sikiric P, Seiwerth S, Rucman R et al.
Review of rodent literature covering gastrointestinal and soft-tissue injury models.
Limitations: Review of preclinical work by a single primary research group.
View studyControlled human safety data are not available for this compound. Published safety information comes from rodent studies only and does not establish safety for human use.
Known data gaps: Human pharmacokinetics, Chronic exposure, Regulatory review status.
For Research Use Only
All products listed are supplied strictly as laboratory reagents for in-vitro research and analytical work conducted by qualified professionals. They are not drugs, foods, cosmetics or medical devices, and must not be administered to humans or animals. No product on this site is approved by the FDA for human use.
Research Use Only: Products are sold strictly for laboratory research and educational purposes only. Not for human consumption, veterinary use, food use, cosmetic use, or therapeutic application. Products are not intended to diagnose, treat, cure, or prevent any disease.
