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BPC-157

Last reviewed: April 18, 2026 by The Peptide Catalog Team

A healing peptide for tendons, joints, gut issues, and injury recovery. BPC-157 (Body Protection Compound-157) is a synthetic peptide derived from a protein found in gastric juice. Studied extensively for tissue repair, wound healing, and anti-inflammatory effects. Popular in research for tendon, ligament, muscle, and gut healing applications.

Overview

BPC-157 Results Timeline

Progression
1
Week 1–2
Physical Changes
Initial inflammatory response modulation, early tissue repair signals
Performance & Recovery
May notice reduced discomfort at injury sites
Other Benefits
Improved gut comfort (if applicable), better sleep quality
2
Week 3–4
Physical Changes
Visible improvement in healing tissues, reduced swelling
Performance & Recovery
Increased mobility and flexibility in affected areas
Other Benefits
Enhanced recovery from workouts, improved overall well-being
3
Month 2–3
Physical Changes
Significant tissue repair progress, improved joint comfort
Performance & Recovery
Return to normal activity levels, reduced pain
Other Benefits
Systemic healing benefits, improved skin quality
4
3+ Months
Physical Changes
Near-complete healing of targeted tissues
Performance & Recovery
Full functional recovery in many cases
Other Benefits
Cumulative benefits build over multiple 8-week on/off cycles; many see best results with 2-3 cycles

Timeline is illustrative and non-guaranteed. Outcomes vary and are commonly discussed alongside training, nutrition, sleep, and cycling practices.

Read the full BPC-157 results timeline →

Evidence at a glance

Two parallel grades per outcome — clinical RCT depth and real-world community adoption. See the Research Overview below for citations and detail.

OutcomeClinical EvidenceCommunity Evidence
Tendon and ligament healingModerateStrong
Gut inflammation and IBDPreliminaryStrong
Muscle injury recoveryWeakStrong
Bone fracture healingPreliminaryStrong
How It WorksHealing Peptide — Gastric Pentadecapeptide

Target → Multi-Pathway Repair → Tissue Healing → Outcomes

1
Target

Multiple: VEGFR2, PDGFR, Nitric Oxide System

BPC-157 is derived from a protein in gastric juice and interacts with multiple signaling systems simultaneously — growth factor receptors (VEGF, PDGF), nitric oxide pathways, and the FAK-paxillin pathway involved in cell migration and tissue repair.

2
Cellular Signal

Angiogenesis + Cell Migration + Anti-Inflammatory

Upregulates VEGF (new blood vessel formation), activates growth factor receptor signaling for tissue repair, modulates nitric oxide for blood flow, and reduces inflammatory cytokines. This multi-pathway action is why BPC-157 affects so many tissue types.

3
Systemic Effect

Accelerated Tissue Repair Across Multiple Systems

Enhanced healing of tendons, ligaments, muscles, gut lining, and other tissues. Improved blood flow to injured areas via angiogenesis. Anti-inflammatory effects reduce swelling and pain at injury sites. Gut-protective effects support digestive health.

4
What You Notice

Reduced Pain → Faster Healing → Gut Comfort

Reduced pain and inflammation at injury sites within days to weeks. Accelerated healing timelines for injuries. Improved gut comfort (if GI issues present). Often stacked with TB-500 for comprehensive healing via complementary mechanisms.

What Makes This Peptide Different

BPC-157 is unique among healing peptides for its multi-system action — it affects tendons, ligaments, muscles, gut, and even brain tissue through multiple signaling pathways. While TB-500 works primarily through actin regulation and systemic distribution, BPC-157 works through growth factor upregulation and angiogenesis. This is why the two are commonly stacked — different mechanisms, complementary healing effects.

Research overview

Outcome-by-outcome look at what the evidence actually supports for BPC-157, including human vs. animal study counts and our editorial take on each.

Tendon and ligament healing

Clinical:ModerateCommunity:Strong

In Chang 2011 and follow-up rodent work, BPC-157 accelerated rat Achilles transection healing and increased fibroblast outgrowth from tendon explants. Hsieh 2017 implicated VEGFR2 internalization and the pro-angiogenic Akt-eNOS pathway as the mechanism. The animal literature is large and consistent, but as of 2026 no peer-reviewed human RCT on tendon repair has been published — clinical evidence is confined to case series and self-report.

0 human studies · 12 animal studies

Key findings & citations
  • Rat Achilles transection studies report load-to-failure recovery roughly 30–50% faster vs. saline controls.
  • In vitro fibroblast outgrowth from tendon explants is increased at low nanomolar concentrations.
  • Mechanism appears partly mediated by VEGFR2 internalization and outside-in signaling.
  • No randomized human tendon-healing trial has been published.

Our take

The animal data is consistent enough that we expect the effect is real, but anyone telling you human evidence is settled is overstating it.

Gut inflammation and IBD

Clinical:PreliminaryCommunity:Strong

BPC-157 was originally isolated from a fragment of human gastric juice protein, and the gut is where its rodent literature is deepest. Sikiric and colleagues have published extensively on protection against DSS colitis, NSAID-induced gastric injury, and ethanol injury in rats. Pliva ran a Phase 2 ulcerative colitis program (PL 14736) with reported safety and signal data, but the trial was never published in a peer-reviewed journal — leaving translation to human IBD formally unproven.

0 human studies · 20 animal studies

Key findings & citations
  • Reduces colitis severity scores in DSS-induced rat models.
  • Protects gastric mucosa against NSAID and ethanol injury in rodents.
  • Pliva ran a Phase 2 ulcerative colitis program (PL 14736) but the full results were never published in a peer-reviewed journal.

Top citations

Our take

Promising in animals, but with no peer-reviewed Phase 2 IBD trial in print, this is still preclinical for clinical purposes.

Muscle injury recovery

Clinical:WeakCommunity:Strong

Novinscak 2008 and a small number of follow-up rat gastrocnemius crush-injury studies report shortened gait-recovery time versus saline controls, with a non-linear dose response that blunts at higher doses. The body of work is limited to roughly half a dozen rodent papers, no human acute or chronic muscle-injury trial has been published, and rat-to-human dose translation in this indication remains uncalibrated.

0 human studies · 6 animal studies

Key findings & citations
  • Rat gastrocnemius crush models show shortened gait-recovery time vs. controls.
  • Effect appears blunted at very high doses — non-linear dose response.
  • No human trial in acute or chronic muscle injury.

Our take

Anecdotal reports outnumber actual data. Reasonable to try if conservative care has failed, but adjust expectations accordingly.

What BPC-157 doesn't do

Claims that current evidence does not support. Worth knowing before you set expectations.

Top BPC-157 Vendors

Dosing ProtocolHealing / Tissue Repair

Educational reference only. Individual responses vary. Consult healthcare provider before use.

Vial Size
10 mg
Reconstitution
2 ml BAC water
Dose
500 mcg (10 units on 1ml syringe)
Timing
AM and/or PM
Frequency
Every day
Duration
8 weeks on, 8 weeks off
Protocol Notes
Can inject subcutaneously near injury site or systemically. Often stacked with TB-500 for synergy.

Why This Dosing Protocol

Why inject near the injury?While BPC-157 has systemic effects, local injection near the injury site provides higher local concentrations for targeted repair. Subcutaneous injection near the area is sufficient — intramuscular into the exact injury isn't necessary.

Why twice daily?BPC-157's relatively short half-life benefits from split dosing (AM/PM) to maintain more consistent tissue levels during the healing window.

Why stack with TB-500? BPC-157 (angiogenesis + growth factors) and TB-500 (actin regulation + systemic distribution) use different mechanisms. Together they provide comprehensive healing support.
Popular Stack Protocols3 stacks

Commonly paired protocols from the peptide research community. Educational reference only.

BPC-157 + TB-500

Healing / Injury Recovery
Dose
500 mcg
Vial Size
10 mg
Reconstitution
2 ml BAC water
Dose
500 mcg
Vial Size
10 mg
Reconstitution
2 ml BAC water
Timing
AM (can split AM/PM)
Frequency
Daily
Duration
8 weeks on, 8 weeks off
The gold standard healing stack. BPC-157 drives local angiogenesis and growth factor upregulation while TB-500 provides systemic tissue repair via actin sequestration and cell migration. Complementary, non-overlapping mechanisms. BPC-157 can be injected near injury site; TB-500 works systemically regardless of injection site.

BPC-157 + TB-4 (Full-Length)

Healing / Tissue Repair
Dose
500 mcg
Vial Size
10 mg
Reconstitution
2 ml BAC water
Dose
500 mcg – 1 mg
Vial Size
5 mg
Reconstitution
2 ml BAC water
Timing
AM (can split AM/PM)
Frequency
TB-4: daily loading (2 weeks), then 2x/week. BPC-157: daily throughout.
Duration
4–8 weeks
Full-length TB-4 includes the TB-500 active fragment plus additional sequences that activate cardiac progenitor cells and hair follicle stem cells. More comprehensive healing than the TB-500 variant. Loading phase for TB-4 is important to saturate tissue levels before tapering to maintenance.

BPC-157 + GHK-Cu

Healing / Skin / Tissue Repair
Dose
500 mcg
Vial Size
10 mg
Reconstitution
2 ml BAC water
Dose
1–2 mg
Vial Size
50 mg
Reconstitution
3 ml BAC water
Timing
AM
Frequency
Daily
Duration
8 weeks on, 8 weeks off
BPC-157 handles deep tissue repair (tendons, gut, vasculature) while GHK-Cu excels at skin remodeling, collagen synthesis, and wound healing. GHK-Cu also activates genes involved in tissue remodeling that BPC-157 doesn't directly target. Complementary for post-surgical or injury recovery with a skin/cosmetic component.
Popular BPC-157 Stacks

Reconstitution Calculator

Dilution math and unit conversions. Prefilled using a common vial size for this peptide.

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Storage & Handling

Storage at a glance

Proper storage temperatures, shelf life, reconstitution best practices, and travel tips for lyophilized and reconstituted peptides.

Powder: Freezer
1+ year at -20°C
Reconstituted: Fridge
4 weeks max at 2-8°C
View Complete Storage Guide

Handling specifics

Educational overview on storage, labeling, and traceability considerations for lab environments. Consult primary literature and vendor documentation for specifics.

Powder storage (very stable)
  • Freezer (-20°C): 1+ year
  • Refrigerator (2-8°C): 1-3 months
  • Room temperature: 2-3 weeks (emergency only)
Reconstituted storage (fragile)
  • MUST refrigerate at 2-8°C
  • 4-week maximum shelf life
  • NEVER freeze after reconstitution
  • Use bacteriostatic water for multi-dose
Molecular Structure

BPC-157 sequence

Click any residue to see its properties.

HydrophobicPolarAcidic (−)Basic (+)Special

Sequence-derived properties

Length
15 residues
Molecular weight
1419.6 Da
backbone only
Avg hydrophobicity
-0.69
Kyte–Doolittle scale

Residue classes

Hydrophobic: 4 (27%)Acidic (−): 3 (20%)Basic (+): 1 (7%)Special: 7 (47%)

Net charge distribution

Positive1 (7%)
Neutral11 (73%)
Negative3 (20%)

Amino acid frequency

P×4G×3A×2D×2E×1K×1L×1V×1

Modifications

  • Pentadecapeptide derived from gastric juice protein

Sequence and properties provided for educational reference. Not for clinical dosing decisions.

  • Length: 15 amino acids
    (Pentadecapeptide structure.)
  • Origin: Gastric juice
    (Derived from human body protection compound.)
  • Stability: High
    (Stable in gastric acid, can be taken orally or injected.)
  • Primary Use: Tissue repair
    (Tendons, ligaments, muscles, gut healing.)
Peptide sequence
Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val
The sequence is a partial fragment of the larger body protection compound (BPC) found in gastric juice. This 15-amino acid fragment retains the healing properties of the parent compound.
Key takeaway: BPC-157 is one of the most studied peptides for tissue repair and healing. It works through multiple mechanisms including angiogenesis, growth factor modulation, and nitric oxide pathways. Often stacked with TB-500 or Thymosin Beta-4 for synergistic healing — BPC-157 for local repair, TB-500/TB-4 for systemic regeneration.

FAQ

What is BPC-157 used for?

BPC-157 is studied primarily for tissue healing and repair. Research focuses on tendon, ligament, muscle, and gut healing. It's popular in sports medicine research for injury recovery and is often discussed for healing joints, reducing inflammation, and gut health support.

How does BPC-157 work?

BPC-157 appears to work through multiple mechanisms: promoting angiogenesis (new blood vessel formation), modulating growth factors, reducing inflammation, and protecting cells from oxidative stress. It may also influence nitric oxide pathways and help regulate the gut-brain axis.

Is BPC-157 often combined with other peptides?

Yes, BPC-157 is frequently discussed alongside TB-500 (Thymosin Beta-4) for synergistic healing effects. The combination is popular in research for comprehensive tissue repair, with BPC-157 focusing on localized healing and TB-500 on systemic tissue repair.

What is BPC-157?

BPC-157 (Body Protection Compound-157) is a synthetic peptide derived from a protein found in human gastric juice. It's a 15-amino acid sequence that has shown remarkable healing properties in research. "BPC" refers to its protective effects observed in gastrointestinal studies.

What is the typical BPC-157 dosage?

A common research dosage is 500 mcg per day (10 units on 1ml syringe), administered AM and/or PM. It can be injected subcutaneously near the injury site or systemically. Protocol: every day, 8 weeks on, 8 weeks off. Often stacked with TB-500 for synergy.

Can BPC-157 help with gut issues?

Yes, BPC-157 has shown promise for various gut conditions in research, including inflammatory bowel disease, ulcers, and leaky gut. It appears to protect and heal the gut lining, reduce inflammation, and support the gut-brain axis. This aligns with its origin in gastric juice.

How long does BPC-157 take to work?

Some users report improvements within days for minor issues, but significant healing typically takes 2-4 weeks. Chronic or severe injuries may require 4-8 weeks or longer. Consistency is important — healing is a gradual process that BPC-157 supports rather than instantly fixes.

What are the side effects of BPC-157?

BPC-157 is generally well-tolerated with minimal reported side effects. Some users experience mild nausea, dizziness, or headache. Injection site reactions may occur. Long-term safety data in humans is limited. There are theoretical concerns about effects on cancer growth, though not demonstrated in studies.

How long does reconstituted peptide last?

Once mixed with bacteriostatic water, peptides remain stable for up to 4 weeks when refrigerated at 2-8°C (36-46°F). Unopened powder can last 1+ year in the freezer. Get our complete Storage & Travel Guide.

Is this peptide legal to purchase?

Peptides sold "for research purposes only" are legal to purchase in the US, but are not FDA-approved for human use outside of specific medical applications. Always consult a healthcare provider before use.

New to peptides?

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Scientific Sources

The following peer-reviewed studies and official resources provide additional scientific context for this peptide:

BPC-157 Research Articles

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