What Is BPC-157?
BPC-157 (Body Protection Compound-157) is a pentadecapeptide composed of 15 amino acids. It is a partial sequence of body protection compound (BPC) that is isolated from human gastric juice. Naturally occurring BPC plays an important role in protecting the integrity of the gastrointestinal system.
The synthetic version, BPC-157, has been studied extensively in animal models and shows a broad spectrum of healing and cytoprotective effects. Researchers have examined its role in tendon, ligament, bone, and muscle healing; gut repair; neurological protection; and anti-inflammatory activity.
Mechanism of Action
BPC-157 exerts its effects through several interconnected pathways identified in preclinical studies:
- Nitric oxide (NO) system modulation: BPC-157 upregulates the NO system, promoting vasodilation and improving blood flow to injured tissues, accelerating delivery of nutrients and immune cells needed for repair.
- Growth factor expression: Studies indicate BPC-157 upregulates growth factor receptors including VEGFR2 and EGFR, stimulating angiogenesis at injury sites.
- Tendon fibroblast outgrowth: Research shows BPC-157 significantly enhances tendon fibroblast migration and proliferation, directly supporting tendon and ligament repair at the cellular level.
- Gut barrier protection: BPC-157 reinforces the intestinal mucosal lining, counteracting damage from NSAIDs, alcohol, and other irritants. It modulates serotonergic and dopaminergic systems in the gut-brain axis.
- Anti-inflammatory effects: BPC-157 reduces pro-inflammatory cytokines including TNF-alpha and IL-6, helping resolve chronic inflammation at injury sites.
Reported Research Benefits
Musculoskeletal Healing
Animal models consistently show accelerated healing of tendons, ligaments, muscles, and bone when BPC-157 is administered either systemically or locally near the injury site. Studies on Achilles tendon transection, quadriceps and gastrocnemius muscle crush injuries, and medial collateral ligament damage all demonstrated significantly faster recovery in BPC-157-treated groups compared to controls.
Gastrointestinal Support
BPC-157 was originally identified for its gastroprotective properties. Research demonstrates effectiveness against lesions induced by ethanol, NSAIDs, corticosteroids, and stress. It has shown promise in models of inflammatory bowel disease and may help restore gut barrier integrity.
Neurological Protection
Several studies suggest BPC-157 exerts neuroprotective effects following traumatic brain injury and spinal cord damage. It appears to counteract dopamine depletion and serotonin imbalances, which has led researchers to investigate its potential role in supporting neurological recovery.
Systemic Anti-Inflammatory Action
Beyond localized injury sites, BPC-157 demonstrates systemic anti-inflammatory properties in animal models, including attenuation of peritonitis and endotoxin-induced inflammation.
Reconstitution Protocol
BPC-157 is supplied as a lyophilized (freeze-dried) powder in sealed vials. It must be reconstituted with Bacteriostatic Water (BAC water) before use. Never use plain sterile water — BAC water contains 0.9% benzyl alcohol which inhibits bacterial growth and extends the usable life of the reconstituted solution.
Step-by-Step Reconstitution
- Gather your vial of BPC-157, a vial of BAC water, two insulin syringes, and alcohol swabs.
- Wipe the rubber stopper of both vials with an alcohol swab and allow to air dry for 30 seconds.
- Draw up the desired volume of BAC water into a syringe (see table below).
- Insert the needle into the BPC-157 vial at an angle and slowly inject the BAC water down the side of the vial. Do not inject directly onto the powder.
- Gently swirl (do not shake) the vial until the powder fully dissolves. The solution should be clear and colorless.
- Label the vial with the date and store in the refrigerator immediately.
Reconstitution Reference Table
| Vial Size | BAC Water Added | Concentration | 250 mcg Dose | 500 mcg Dose |
|---|---|---|---|---|
| 5 mg | 2 mL | 2,500 mcg/mL | 0.10 mL (10 units) | 0.20 mL (20 units) |
| 5 mg | 1 mL | 5,000 mcg/mL | 0.05 mL (5 units) | 0.10 mL (10 units) |
| 10 mg | 2 mL | 5,000 mcg/mL | 0.05 mL (5 units) | 0.10 mL (10 units) |
| 10 mg | 4 mL | 2,500 mcg/mL | 0.10 mL (10 units) | 0.20 mL (20 units) |
Dosage Protocol
| Category | Daily Dose | Frequency | Notes |
|---|---|---|---|
| Conservative / Starting | 200–250 mcg | Once daily | Good starting point; assess tolerance |
| Standard | 250–500 mcg | Once or twice daily | Most commonly referenced range |
| Higher Dose | 500–1,000 mcg | Split AM/PM | For severe injuries; limited additional data |
Side Effects & Safety Considerations
BPC-157 has demonstrated an excellent safety profile in animal studies, with no reported LD50 even at very high doses in rodent models. However, human safety data is extremely limited.
- Generally well-tolerated with no significant adverse effects noted at research doses in animal studies
- No observed organ toxicity at studied doses
- Injection site reactions (redness, mild swelling) — common with any subcutaneous injection
- Nausea reported anecdotally at higher doses
- Theoretical concern: BPC-157 promotes angiogenesis; unknown implications for individuals with existing tumors or cancer history
Storage Guidelines
| State | Temperature | Duration | Notes |
|---|---|---|---|
| Lyophilized (dry) powder | Room temp or refrigerator | Up to 24 months | Keep away from light and humidity |
| Reconstituted solution | Refrigerator (2–8°C) | Up to 30 days | Keep sealed; do not freeze |
| Long-term lyophilized | Freezer (−20°C) | Up to 36 months | Do not refreeze reconstituted solution |
Ready to Source BPC-157?
Purchase BPC-157 vials and a complete starter kit from our trusted research supplier. Everything you need to begin your protocol.
Primary Research Sources
- Sikiric et al. (2018). "Brain-gut Axis and Pentadecapeptide BPC 157." Current Neuropharmacology.
- Chang et al. (2011). "BPC 157 accelerates healing of tendon-to-bone injury and collagen organization." Journal of Applied Physiology.
- Sikiric et al. (2020). "Stable Gastric Pentadecapeptide BPC 157 May Recover Brain-Gut Axis." Pharmaceuticals.
- Gwyer, D. et al. (2019). "BPC 157 and its role in accelerating musculoskeletal soft tissue healing." Cell & Tissue Research.
