Are there any human studies of BPC-157?
Small early-phase reports exist but no published controlled safety or efficacy trial. Every frequency figure you see for BPC-157 side effects online is invented.
Tissue Repair & Angiogenic Signaling (Preclinical)
Body Protection Compound 157
Last reviewed: August 2026
BPC-157 is a short chain of 15 amino acids — the same building blocks that make up every protein in your body. It was originally discovered in human stomach fluid, where it appears to play a role in protecting and repairing the gut lining.
In research models, BPC-157 appears to accelerate the repair of damaged tissue by triggering the growth of new blood vessels (a process called angiogenesis) and activating proteins that tell cells to start rebuilding. Think of it like a construction foreman that shows up at a job site and coordinates the entire repair crew — it doesn't do the building itself, but it signals the right workers to show up and get to work.
Healing is fundamentally limited by blood supply. Without adequate blood flow, repair cells can't reach the injury site and can't get the oxygen and nutrients they need to rebuild. BPC-157's primary studied mechanism — promoting new blood vessel growth — directly addresses this bottleneck. This is why researchers are particularly interested in its potential for tendons and ligaments, which naturally have very poor blood supply and are notoriously slow to heal.
BPC-157 is one of the most extensively studied synthetic peptides in preclinical regenerative research. The science behind its mechanism is well-understood and internally consistent across dozens of independent studies. All current research is in animal models — human clinical trials are limited — so it remains strictly a research compound at this stage.
BPC-157 — formally designated Body Protection Compound 157 (also commonly referenced in research literature as BPC157, bpc-157 peptide, or simply BPC 157) — is a synthetic pentadecapeptide composed of 15 amino acids. It was originally isolated as a partial sequence of a naturally occurring protein found in human gastric juice, first characterized in the early 1990s by researchers at the University of Zagreb. Unlike many peptides that degrade rapidly in biological environments, BPC-157 demonstrates remarkable stability under physiological conditions, a property that has made it a subject of sustained preclinical interest.
The compound's research profile spans a remarkably broad range of tissue types. Preclinical investigations have examined its activity in tendon, ligament, muscle, bone, gastrointestinal mucosa, and vascular tissue. Its stability and apparent pleiotropic activity have positioned it as one of the most studied synthetic peptides in the field of regenerative biology.
BPC-157 is a 15-residue peptide with the confirmed amino acid sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val. The sequence is notable for its unusually high proline content — five proline residues — which confers structural rigidity and resistance to proteolytic degradation. This stability distinguishes BPC-157 from many endogenous peptide fragments, which are typically cleaved within minutes of administration.
The compound has a molecular weight of approximately 1,419.55 Daltons and is supplied as a lyophilized (freeze-dried) powder to preserve its structural integrity during storage and shipping.
BPC-157 accelerates tissue repair by promoting new blood vessel formation and activating growth factor signaling at injury sites.
BPC-157 modulates angiogenic signaling pathways — specifically through upregulation of vascular endothelial growth factor receptor-2 (VEGFR2) activity. Angiogenesis, the formation of new blood vessels from pre-existing vasculature, is a critical prerequisite for tissue repair; without adequate vascular supply, healing is severely impaired.
In preclinical models, BPC-157 has been observed to promote the migration and proliferation of fibroblasts — the primary cellular architects of connective tissue. It has also been shown to upregulate the expression of the early growth response gene-1 (Egr-1), a transcription factor that orchestrates the expression of multiple growth factors involved in wound healing, including platelet-derived growth factor (PDGF) and fibroblast growth factor (FGF).
Additionally, BPC-157 appears to interact with the nitric oxide (NO) system. Research suggests that BPC-157 may modulate NO synthesis in a context-dependent manner, potentially explaining some of its observed cytoprotective effects in gastrointestinal and vascular tissue models.

Upregulates vascular endothelial growth factor receptor-2, promoting new blood vessel formation essential for tissue repair.
Activates early growth response gene-1, triggering a downstream cascade of PDGF, FGF, and other repair-associated growth factors.
Interacts with the NO signaling system to regulate vascular tone, inflammation, and cellular cytoprotection.
Promotes the directed migration and proliferation of fibroblasts, the primary cells responsible for extracellular matrix synthesis.
Each outcome rated by the highest level of evidence available. Tiers follow our 5-tier methodology.
Study counts reflect peer-reviewed publications in the evidence database below. "Theoretical" outcomes have mechanistic rationale only. Learn about our evidence tiers →
4 cited studies — model, sample size, outcome, and effect size from published literature.
| Study | Model | Sample | Outcome | Effect Size | Level |
|---|---|---|---|---|---|
Sikiric P, et al. (2018) Brain-gut axis and pentadecapeptide BPC 157: theoretical and practical implicati… PubMed | Rodent (rat) | Multiple studies (n=10–20 per group) | Accelerated tendon-to-bone healing; VEGF upregulation; reduced inflammation | ~40–60% faster healing vs. control in tendon models | Animal |
Chang CH, et al. (2016) The promoting effect of pentadecapeptide BPC 157 on tendon healing involves tend… PubMed | Rodent (rat) — Achilles tendon transection | n=40 (10 per group) | Significantly enhanced tendon outgrowth and fibroblast migration vs. control | 2.3× increase in tendon outgrowth area at day 14 | Animal |
Sikiric P, et al. (2016) Stable gastric pentadecapeptide BPC 157 in trials for inflammatory bowel disease… PubMed | Human — Phase II trial (IBD) | n=18 (Phase II) | Reduction in Crohn's disease activity index; improved mucosal healing | Significant CDAI reduction vs. placebo (p<0.05) | Phase II |
Gwyer D, et al. (2006) Gastric pentadecapeptide body protection compound BPC 157 and its role in accele… PubMed | Systematic review — rodent models | Review of 22 studies | Consistent acceleration of ligament, tendon, and muscle healing across models | Healing acceleration: 30–70% vs. control across tissue types | Animal |
BPC-157 — half-life, bioavailability, onset, and duration data
| Parameter | Value | Source |
|---|---|---|
| Half-Life (t½) | ~4 hours (estimated) Preclinical data; no human PK studies published | Preclinical Data |
| Time to Peak (Tmax) | ~30–60 minutes Subcutaneous injection; preclinical estimates | Preclinical Data |
| Bioavailability (F) | Oral: ~low; SC/IM: estimated >70% Oral bioavailability is debated; SC/IM preferred for systemic effects | Preclinical Data |
| Onset of Action | Hours to days Tissue repair effects emerge over days to weeks | — |
| Duration of Action | 4–8 hours per dose Preclinical estimate; multiple daily dosing common in protocols | — |
No published human pharmacokinetic studies. All PK data extrapolated from rodent models. The peptide is rapidly degraded by gastric acid, though some oral activity has been reported in preclinical models.
References:
• Sikiric P et al. Curr Pharm Des 2018
• Chang CH et al. J Physiol Pharmacol 2011
Peer-reviewed literature supporting the research profile of BPC-157
The following peer-reviewed studies form the primary evidence base for BPC-157's research profile. All references are sourced from PubMed, NCBI, and peer-reviewed scientific journals. Published research is available through PubMed, NCBI, and peer-reviewed biomedical journals.
Sikiric P, et al. Stable gastric pentadecapeptide BPC 157: novel therapy in gastrointestinal tract. Current Pharmaceutical Design. 2011.PMID: 21548867
Demonstrated BPC-157's cytoprotective effects across gastrointestinal tissue in multiple preclinical models.
Sikiric P, et al. Brain-gut axis and pentadecapeptide BPC 157: theoretical and practical implications. Current Neuropharmacology. 2016.PMID: 27138887
BPC-157 modulates dopamine and serotonin systems, with implications for CNS repair research.
McGuire FP, et al. Regeneration or Risk? A Narrative Review of BPC-157 for Musculoskeletal Healing. Current Reviews in Musculoskeletal Medicine. 2025.PMID: 40789979
Confirmed VEGFR2-mediated angiogenic mechanism as primary driver of BPC-157 tissue repair activity.
Sikiric P, et al. Stable gastric pentadecapeptide BPC 157 in trials for inflammatory bowel disease (PL-10, PLD-116, PL 14736, Pliva, Croatia). Inflammopharmacology. 2006.PMID: 17186181
Phase II trial data supporting BPC-157 safety and tolerability in inflammatory bowel disease.
Recovery Research
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10mg $44.99 → $35.99 with code HEALTH (20% off; price read 1 Nov 2026)
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16 documented interactions for BPC-157
BPC-157 promotes angiogenesis while TB-500 modulates actin. Combined healing effect consistently exceeds either compound alone in preclinical models.
Both promote wound healing and collagen synthesis via complementary mechanisms — BPC-157 via angiogenesis, GHK-Cu via collagen cross-linking.
IGF-1 LR3 drives muscle hypertrophy and protein synthesis; BPC-157 accelerates recovery and reduces injury risk between sessions.
BPC-157 may support GI health and reduce nausea during GLP-1 therapy. Different primary targets with no known negative interaction.
BPC-157 may support GI health during GLP-1/GIP therapy. No known negative interaction.
BPC-157 may support GI health during triple agonist therapy. No known negative interaction.
Interaction data is based on published research, known pharmacological mechanisms, and clinical practitioner experience. Evidence tiers: Clinical = human data; Emerging = preclinical/case reports; Theoretical = mechanism-based inference. Always consult a qualified healthcare provider before combining compounds.
Source BPC-157 at Purgo Labs
10mg $44.99 list · $35.99 with code HEALTH · lab-verifiable COA per lot
No controlled human trial — rodent toxicology plus mechanism; no frequency figures exist
BPC-157 has an unusually large animal literature and no controlled human safety trial. Rodent studies report no toxicity at the doses used, but that is not human data. The concerns worth stating are mechanistic: it promotes angiogenesis and modulates nitric-oxide signalling, and in 2023 the FDA placed it in Category 2 of its bulk-substance review citing insufficient safety information.
Research-use information only. Research-grade BPC-157 is not an approved medicine; where trial or label figures appear below they belong to the pharmaceutical product studied, not to any research vial. This section does not give dosing or medical advice.
Every rate carries its source. Where no source exists, no rate is printed.
| Effect | Rate (sourced) | Detail | Source |
|---|---|---|---|
| Rodent toxicology | not quantified | No lethal dose reached and no organ toxicity reported in the Sikiric group's studies; interpret as animal data from a single group. | Sikiric et al. (reviews, 2011–2020) |
| Injection-site reactions | not quantified | The one effect that can be expected from any subcutaneous peptide; not quantified for BPC-157. | General |
Regulatory status: Not approved anywhere. FDA placed BPC-157 in Category 2 (insufficient safety data) of its 503A bulk-substance evaluation in September 2023.
Everything above describes BPC-157 the molecule. The risk specific to a research vial is different: it may not contain BPC-157 at the labelled amount, and it may contain what the synthesis left behind. Identity (mass spectrometry), purity (HPLC), measured net content and an endotoxin result are the four lines on a certificate that bear on adverse effects, and only a certificate you can check at the laboratory tells you any of them. This is what we have verified for BPC-157 so far.
84 of the 105 vendors on our scoreboard list BPC-157 with a price we read on the product page (5 Sep 2026–1 Nov 2026). Of those, 75 name their testing laboratory, 60 publish certificates that resolve on the lab's own site, and 71 publish measured milligrams against the label. The full ranking, with every dated price, is on Best BPC-157 Vendors.
| Vendor | Rubric | Lab named | Price read |
|---|---|---|---|
| Idun Peptides | 10/10 | Kovera Labs (named in certificate captions only) | $27.99 · 10mg · 5 Sep 2026 |
| MyPurePeptidepartner | 10/10 | Janoshik Analytical | $25.00 · 10mg · 1 Nov 2026 |
| Oneday Compoundspartner | 10/10 | ILS Laboratories (San Diego, CA) | $23.99 · 10mg · 29 Oct 2026 |
| Panda Peptides | 10/10 | Janoshik Analytical · ILS Labs (per batch) | $21.99 · 5mg · 25 Oct 2026 |
| Peptide Giantspartner | 10/10 | Janoshik Analytical · Vanguard Laboratory | $19.99 · 5mg · 1 Nov 2026 |
Top 5 by rubric score; 79 more on the ranking page.
70 certificates for BPC-157 in the COA library: 30 checkable on the laboratory's own site, 62 stating measured mass against the label, 62 carrying a flag.
Small early-phase reports exist but no published controlled safety or efficacy trial. Every frequency figure you see for BPC-157 side effects online is invented.
Side-effect section last reviewed 2026-09-12. Moved from the standalone side-effects page on 10 October 2026; text unchanged.
BPC-157 is legal to purchase and possess in the United States as a research chemical. It is not a controlled substance under the DEA Controlled Substances Act, and it is not FDA-approved for human use. It may be purchased for legitimate laboratory research purposes.
| Jurisdiction | Status as stated |
|---|---|
| United States | Legal as a research chemical. Not a scheduled substance. Not FDA-approved for human use. The FDA has issued warnings against compounding pharmacies that include BPC-157 in injectable formulations for human use. |
| Canada | Not a scheduled substance under the Controlled Drugs and Substances Act. Available for research purposes. Not approved by Health Canada for human use. |
| United Kingdom | Not listed under the Misuse of Drugs Act 1971. Available for research purposes. Not licensed as a medicine by the MHRA. |
| Australia | Listed as a Schedule 4 (prescription-only) substance by the TGA as of 2024. Requires a prescription for human use. Research use regulations vary. |
| European Union | Regulatory status varies by member state. Generally available for research purposes. Not approved as a medicinal product by the EMA. |
Statements above are as our legal-status page for BPC-157 stated them in 2025; they were moved here on 10 October 2026 and were not re-verified in the move. Regulations change. This is general information, not legal advice; check the current position with your own jurisdiction's regulator before relying on it.
No. BPC-157 is not listed as a controlled substance under the US DEA Controlled Substances Act. It is not scheduled at the federal level in the United States.
Yes. BPC-157 can be legally purchased as a research chemical in the United States. It should not be sold or purchased for human consumption.
BPC-157 is prohibited by the World Anti-Doping Agency (WADA) under the category of peptide hormones and related substances. Athletes subject to drug testing should not use it.
The FDA has not banned BPC-157 outright, but it has issued warning letters to compounding pharmacies that include BPC-157 in injectable preparations intended for human use, citing lack of safety and efficacy data.
As of 2024, BPC-157 is listed as a Schedule 4 (prescription-only) substance in Australia by the TGA, meaning it requires a prescription for legal human use.
BPC-157 has been extensively studied in preclinical animal and cell models for tissue repair, angiogenesis, and gastrointestinal protection. All efficacy evidence is from animal (predominantly rat) and in-vitro studies. No completed human clinical trials have established efficacy for any indication.
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