BPC-157
Also known as: Body Protection Compound-157 · Pentadecapeptide · PL 14736
A 15-amino-acid peptide derived from human gastric juice that demonstrates remarkable healing properties across virtually every tissue type studied.
Overview
BPC-157 (Body Protection Compound-157) is a pentadecapeptide consisting of 15 amino acids, derived from a protective protein found naturally in human gastric juice. It is arguably the most researched and popular healing peptide in the health optimization community. BPC-157 has demonstrated extraordinary regenerative properties in preclinical studies, accelerating the healing of muscles, tendons, ligaments, bones, and even the nervous system. Its mechanism involves upregulation of growth factor expression (including VEGF, EGF, and FGF), promotion of angiogenesis (new blood vessel formation), modulation of the nitric oxide system, and interaction with the dopaminergic system.
One of BPC-157's most notable properties is its gastroprotective effect — it can heal and protect the gastrointestinal lining, making it valuable for conditions like leaky gut, IBS, and NSAID-induced gastric damage. The peptide also shows neuroprotective properties, with studies demonstrating its ability to counteract the neurotoxic effects of various substances. While the vast majority of research has been conducted in animal models, the consistent and robust results across dozens of studies have made BPC-157 a cornerstone of peptide therapy protocols.
Mechanism of Action
Upregulates growth factors (VEGF, EGF, FGF), promotes angiogenesis, modulates the nitric oxide system (both NOS pathways), interacts with the dopaminergic system, and activates the FAK-paxillin pathway for cell migration and wound healing. Also influences the GABAergic system for neuroprotection.
Key Benefits
Potential Side Effects
Common Stacks
This compound is commonly combined with the following for synergistic effects:
Known Interactions
The following interactions have been documented for BPC-157. Always consult a healthcare professional before combining compounds.
Synergistic (6)
The most popular healing stack. BPC-157 targets local tissue repair (gut, tendons, ligaments) while TB-500 provides systemic healing through cell migration and angiogenesis.
BPC-157's tissue repair combined with GHK-Cu's collagen stimulation and anti-aging effects creates a comprehensive healing and rejuvenation protocol.
Excellent gut healing stack. BPC-157 repairs gut mucosal lining while KPV reduces gut inflammation through NF-kB inhibition. Found together in the KLOW blend.
Thymosin Alpha-1 supports immune function while BPC-157 provides tissue repair. Useful for recovery from illness or injury where both immune and tissue support are needed.
BPC-157 may help protect the GI tract from semaglutide's common GI side effects (nausea, gastroparesis) through its gastroprotective properties.
ARA-290 (innate repair receptor agonist) + BPC-157 (tissue repair peptide) provides multi-pathway tissue repair, particularly useful for neuropathy and chronic injuries.
BPC-157 Stable vs. Acetate Salt
BPC-157 is commercially available in two distinct salt forms. The form you choose can affect stability, shelf life, and how you administer the peptide.
BPC-157 Stable (Arginine Salt)
15 amino acids
Sequence:
Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val (arginine salt)
The arginine salt form of BPC-157 was developed to improve the peptide's stability in solution. It remains active longer after reconstitution and is more resistant to degradation from temperature fluctuations, making it the preferred form for most users.
Best For
Most applications — especially oral dosing, intranasal use, or when the reconstituted peptide will be stored for extended periods.
BPC-157 Acetate Salt
15 amino acids
Sequence:
Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val (acetate salt)
The original and more commonly available form of BPC-157. The acetate salt is the standard counter-ion used during peptide synthesis. It is fully effective but less stable in solution compared to the arginine salt form.
Best For
Subcutaneous injection protocols where the reconstituted peptide will be used within 2-3 weeks, or when budget is a primary consideration.
Side-by-Side Comparison
| Aspect | BPC-157 Stable (Arginine Salt) | BPC-157 Acetate Salt |
|---|---|---|
| Stability in Solution | High — retains potency for weeks | Moderate — best used within 2-3 weeks |
| Oral Bioavailability | Better suited for oral/intranasal use | Less stable in gastric environment |
| Cost | Slightly higher | Generally more affordable |
| Availability | Growing — newer form | Widely available from most suppliers |
Recommendation: For subcutaneous injection with quick use after reconstitution, the Acetate Salt is perfectly effective and more budget-friendly. For oral or intranasal administration, or if you want maximum shelf life after reconstitution, the Stable (Arginine Salt) form is the better choice.
Which Form Should I Choose?
Answer a few quick questions to get a personalized recommendation based on your research needs.
Scientific References
Quick Reference
Typical Dose
250-500 mcg intranasal, 2-3x/day (men and women).
Frequency
1-2 times daily
Route
Subcutaneous injection (near injury site) or oral
Half-Life
~4 hours (stable in gastric juice)
Cycle Length
4-12 weeks depending on condition
FDA Status
Not FDA approved; research chemical
Need to calculate dosing?
Use our reconstitution calculator to determine exact syringe measurements.
Open CalculatorThis information is for educational purposes only. Consult a qualified healthcare professional before using any compound. Dosing information reflects commonly reported protocols and may not be appropriate for everyone.
Related Compounds in Healing & Recovery
TB-500
A synthetic version of the naturally occurring 43-amino-acid peptide Thymosin Beta-4, essential for tissue repair, cell migration, and reducing inflammation.
Read moreGHK-Cu
A naturally occurring copper-binding tripeptide that activates over 4,000 genes, promoting tissue remodeling, anti-aging, and regeneration at the genetic level.
Read moreKPV
A tripeptide fragment of alpha-melanocyte stimulating hormone (α-MSH) with potent anti-inflammatory and antimicrobial properties, especially for gut health.
Read more