BPC-157
Also referred to as: Body Protection Compound-157, PL 14736, Bepecin
A lab-made peptide based on a small piece of a protein found in the stomach. It is one of the most-studied peptides in animal research on tissue repair and healing.
In plain terms: BPC-157 is a small lab-made protein based on something found in the stomach. Scientists study it mostly in animals to see whether it helps the body heal — things like tendons, the gut, and blood vessels. The early animal results are interesting, but it has not been properly tested in people, so a lot is still unknown.
- Name
- BPC-157
- Aliases
- Body Protection Compound-157, PL 14736, Bepecin
- Classification
- Synthetic peptide
- Areas studied
- Tissue repair, Gastrointestinal, Angiogenesis
What it is
BPC-157 is a man-made peptide — a short chain of 15 amino acids (the building blocks that make up proteins). Its sequence is copied from a piece of a protein that occurs naturally in human stomach fluid. Researchers often call it a "stable" peptide because, in studies, it seems to hold up well in the harsh acid of the stomach where many other peptides break down quickly.
It is one of the most frequently studied peptides in research on how the body protects and repairs itself, with a large body of work in animals covering the gut, tendons and ligaments, and blood vessels. Almost all of this research has been done in animals and cell cultures. There are no completed human trials showing whether it works or is safe in people.
Mechanism
Most of the research points to two things. First, BPC-157 appears to interact with growth-factor signaling — the chemical messages cells use to tell each other to grow and repair. Second, it seems to involve nitric oxide, a molecule the body uses to widen blood vessels and control blood flow. In lab models, researchers have linked it to the growth of new blood vessels (a process called angiogenesis), which matters for healing because new tissue needs a blood supply.
Other animal and cell studies have looked at how it affects the cells that rebuild connective tissue, and at signaling between the gut and the brain. These are still proposed explanations worked out in animals and cell cultures, not confirmed pathways in people.
Areas studied & investigated
The categories below summarize where BPC-157 appears in the research literature. They describe what the compound is studied for and investigated in — not approved uses, and not guidance for any kind of use.
Tendons & ligaments
Animal and lab-dish studies have looked at how it affects the healing of tendons, ligaments, and other soft tissue after injury.
Gut & digestion
Because it comes from a stomach protein, much of the research looks at the gut — how it affects the gut lining, healing after surgery, and inflammation in the intestines.
Blood vessels & healing
Studied for a possible role in helping the body form new blood vessels, which is a key part of how wounds heal.
Brain & nervous system (newer)
More recent animal studies are exploring the gut–brain connection and possible protective effects on nerve tissue — a newer and active area.
Research history
Interest in BPC-157 began in the 1990s with research into why stomach fluid seems to protect tissue. Early studies found a small piece of a protein that appeared to have protective effects across several tissues in animals, and later work kept widening the range of situations it was tested in.
Over the next twenty years it built up a large pile of animal research — a lot of it from a few research groups — along with independent reviews that have gone back and weighed how strong that evidence really is.
State of the literature
There is a lot of research, but almost all of it is in animals and cell cultures. Recent independent reviews stress that, despite all the animal data, there are no controlled human trials, and they caution against assuming animal results will carry over to people. It is not an approved drug.
What to keep in mind
Most of what you will read about BPC-157 comes from studies in animals or in cells in a dish — not in people. That does not mean the findings are wrong, but it does mean they are an early step, not proof. Many things that look promising in mice never pan out the same way in humans. When you see a claim about what it "does," ask whether that was shown in a person or in a rat, and treat "no human trials yet" as an honest sign of how early this still is.
Research tools
Evaluating a BPC-157 batch for laboratory research? These free, research-use-only calculators help you work the numbers and read the paperwork: the reconstitution calculator solves vial concentration and draw volume, and the COA reader walks a certificate line by line. For how much and how often BPC-157 is commonly used, see the dosing guides.
Batch-tested with published COAs
See a published COA for BPC-157
Midwest Compounds sells BPC-157 with a batch-linked certificate of analysis from an independent lab, published before you buy. This page is educational; purchasing happens on the store.
Citations
The summary above is drawn from published, peer-reviewed sources. Links open the abstract on PubMed, or the free full text on PubMed Central (PMC) where marked.
- Seiwerth S, et al. Stable gastric pentadecapeptide BPC 157 and wound healing. Frontiers in Pharmacology, 2021. Free full text PMC
- McGuire F, et al. Regeneration or Risk? A Narrative Review of BPC-157 for Musculoskeletal Healing. Current Reviews in Musculoskeletal Medicine, 2025. Abstract
- Sikiric P, et al. Stable gastric pentadecapeptide BPC 157: novel therapy in gastrointestinal tract. Current Pharmaceutical Design, 2011. Abstract
- Chang CH, et al. The promoting effect of pentadecapeptide BPC 157 on tendon healing involves tendon outgrowth, cell survival, and cell migration. Journal of Applied Physiology, 2011. Abstract
- Gwyer D, et al. Gastric pentadecapeptide body protection compound BPC 157 and its role in accelerating musculoskeletal soft tissue healing. Cell and Tissue Research, 2019. Abstract