This is a working overview of BPC 157, written for readers who want more than a one-paragraph summary but less than a textbook.
This page was last updated on 2026-03-01 and is reviewed periodically as new material appears.
BPC-157 is a synthetic peptide composed of fifteen amino acid residues, with the sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val. Its name derives from body protection compound, a term used for a protein fraction identified in human gastric juice. Researchers in Zagreb first reported the pentadecapeptide in the early 1990s and described it as a stable fragment of that larger protein. The compound is also catalogued as PL 14736 and, in some commercial contexts, as bepecin. Its molecular formula is C62H98N16O22 and its monoisotopic mass is approximately 1419 daltons.
Most published work on BPC-157 consists of preclinical studies, including rodent models of tissue injury, gastrointestinal lesions, and vascular or tendon damage, together with in vitro cell assays. Reviews frequently note that the mechanisms proposed in these papers remain incompletely characterised and that findings have not been confirmed in large randomised human trials. The compound is widely sold as a research chemical rather than a licensed medicine, and labels commonly carry a statement that it is not for human use. Whether any of the reported animal effects translate to humans is an open question rather than an established result.
Dry powder is generally stored at low temperature, with minus twenty degrees Celsius or colder advised for extended retention. Reconstituted solutions are less stable than the solid form and are normally kept cold and shielded from repeated freeze-thaw cycles. Light exposure is avoided because some peptides degrade under ultraviolet radiation. The exact rate of degradation depends on concentration, pH, and the presence of salts, so a single shelf life does not apply to every preparation. Reported stability figures should be read as indicative of typical handling rather than as universal constants.
Confirmation of identity and purity relies on standard peptide analysis techniques. Reverse-phase high-performance liquid chromatography separates the peptide from related impurities and serves as the most common purity assay. Mass spectrometry, often coupled to that chromatography step, provides an accurate molecular mass that can be matched against the expected value. Amino acid analysis or sequencing can be added for further confirmation. Because short peptides can be produced by different synthetic routes, laboratories usually report both a chromatographic purity percentage and a mass confirmation rather than a single figure.
| Property | Value | Notes |
|---|---|---|
| Molecular formula | C62H98N16O22 | Computed for the free peptide |
| Monoisotopic mass | Approximately 1419 Da | Reported values shift with counterion and hydration |
| Residue count | 15 amino acids | Sequence Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val |
| Origin | Fragment of human gastric juice protein | First described in early 1990s research reports |
| Common synonyms | BPC 157; PL 14736; bepecin | Naming varies across papers and catalogues |
Published storage guidance follows general peptide practice rather than product-specific studies. The dry powder is typically kept at minus 20 degrees Celsius, away from light and moisture. Once reconstituted, solutions are generally refrigerated and used over days to weeks, because the aqueous environment slowly promotes hydrolysis and oxidation. Long-term data on degradation rates or breakdown products are sparse. Stated shelf lives from different producers vary widely, reflecting the absence of a shared reference standard.
BPC-157 is a synthetic peptide built from fifteen amino acid residues. Its sequence comes from a larger protein fragment that researchers isolated from human gastric juice and described as a body protection compound. The fragment contains glycine, glutamic acid, five prolines, lysine, alanine, two aspartic acids, leucine, and valine. The number 157 in the name refers to the position of the stretch within the parent protein. Material used in laboratories is manufactured rather than extracted from stomach fluid.
The molecule carries 15 residues, a molar mass near 1419.5 g/mol, and the formula C62H98N16O22. Its structure features a proline-rich central region, a pair of adjacent aspartic acid residues, and no cysteine. The absence of cysteine means no disulfide bonds can form, which simplifies refolding and reconstitution. Suppliers usually ship the material as a freeze-dried powder that appears white to off-white. It dissolves readily in water and in saline solutions.
Identity and purity are established using reversed-phase high-performance liquid chromatography, which separates the peptide from related impurities and yields a percentage purity. Mass spectrometry, typically with electrospray ionization, confirms the molecular mass against the expected value. Amino acid analysis or peptide mapping provides additional sequence confirmation. These methods are complementary, since chromatography measures how much material is present while mass spectrometry verifies what that material is. A certificate of analysis normally reports both.
Analytical results depend on the column, gradient, and detector wavelength chosen by the laboratory, so purity values from different sources are not always directly comparable. Water content, counterion form, and residual trifluoroacetate affect both mass and purity calculations. Microbiological and endotoxin testing are separate from chemical purity and are not covered by a standard chromatographic run. Buyers evaluating a material typically request the full method description rather than a single purity figure.
=== Dehydrated and freeze-dried === Dehydrated or freeze-dried meals come in raw and cooked forms. Products are usually air-dried or frozen, then dehydrated (freeze-dried) to reduce moisture to the level where bacterial growths are inhibited. The appearance is very similar to dry dog pellets. The typical feeding methods include adding warm water before serving. There is some concern of nutrients, such as vitamins, being lost during the dehydration process. Specialty small batches sold through specialty or online stores generally consist of some form of cooked meat, ground bone, pureed vegetables, taurine supplements, and other multivitamin supplements. Some pet owners use human vitamin supplements, and others use vitamin supplements specifically engineered for dogs.
Many synthetic and semisynthetic drugs are structural modifications of the alkaloids, which were designed to enhance or change the primary effect of the drug and reduce unwanted side-effects. For example, naloxone, an opioid receptor antagonist, is a derivative of thebaine that is present in opium.
== History == The thymus was known to the ancient Greeks, and its name has been suggested to come from the herb thyme (in Greek: θύμος), which became the name for a "warty excrescence", possibly due to its resemblance to a bunch of thyme. Alternatively, it has been suggested that its name comes from the ancient Greek “θύμος(thumos)” meaning soul or spirit due to the ancient belief that it was where the soul rested. Galen was the first to note that the size of the organ changed over the duration of a person's life. In the 19th century, a condition was identified as status thymicolymphaticus defined by an increase in lymphoid tissue and an enlarged thymus. It was thought to be a cause of sudden infant death syndrome but is now an obsolete term. The importance of the thymus in the immune system was discovered in 1961 by Jacques Miller, by surgically removing the thymus from one-day-old mice, and observing the subsequent deficiency in a lymphocyte population, subsequently named T cells after the organ of their origin. Until the discovery of its immunological role, the thymus had been dismissed as an "evolutionary accident", without functional importance. The role the thymus played in ensuring mature T cells tolerated the tissues of the body was uncovered in 1962, with the finding that T cells of a transplanted thymus in mice demonstrated tolerance towards tissues of the donor mouse. B cells and T cells were identified as different types of lymphocytes in 1968, and the fact that T cells required maturation in the thymus was understood.
The advantage of diamorphine over morphine is that diamorphine is more fat soluble and therefore more potent by injection, so smaller doses of it are needed for the same effect on pain. Both of these factors are advantageous if giving high doses of opioids via the subcutaneous route, which is often necessary for palliative care. It is also used in the palliative management of bone fractures and other trauma, especially in children. In the trauma context, it is primarily given by nose in hospital; although a prepared nasal spray is available, it has traditionally been made by the attending physician, generally from the same "dry" ampoules as used for injection. In children, Ayendi nasal spray is available at 720 micrograms and 1600 micrograms per 50 microlitres actuation of the spray, which may be preferable as a non-invasive alternative in pediatric care, avoiding the fear of injection in children.
Sources: en.wikipedia.org
This makes it a highly effective treatment for negative and cognitive symptoms of schizophrenia since 5HT2A antagonism increases dopamine release in the mesocortical pathway which is hypoactive in those with schizophrenia. Interestingly, lumateperone indirectly augments glutamatergic neurotransmission through its activity at D1 receptors, which causes phosphorylation of GluN2B subunits of NMDA receptors in the mesolimbic pathway. This is significant since NMDA receptor hypofunction, reduced D1 binding, and glutamatergic abnormalities have been implicated in contributing to the cognitive and negative symptoms of schizophrenia. It has also been identified as a potent vesicular monoamine transporter 2 (VMAT2) inhibitor (IC50Tooltip half-maximal inhibitory concentration = 62 nM).
In August 2011, there was a 12-week double-blind, placebo controlled phase 2 trial that focused on elderly men and postmenopausal women which concluded that enobosarm showed statistically significant improvements in total lean body mass and physical function without apparent adverse effects on hair growth or sebum production. In August 2013, GTx announced that enobosarm had failed in two phase 3 clinical trials to treat wasting in people with lung cancer. The company had invested around $35 million in the development of the drug. The company said at that time that it planned to pursue approval of enobosarm in Europe; the company was also still developing GTx-758, a nonsteroidal estrogen, for castration-resistant prostate cancer. As of 2018, enobosarm was the only SARM to have reached or completed phase 3 clinical trials. In 2016, GTx began phase 2 trials, to see if enobosarm might be effective to treat stress urinary incontinence in women. In 2018, GTx announced the phase 2 trials on the effectiveness of enobosarm for stress urinary incontinence in women failed to achieve its primary endpoint in the ASTRID Trial. By September 2023, development of enobosarm for stress urinary incontinence had been discontinued. In 2022, the FDA granted fast tract designation to enobosarm in AR+, ER+, HER2- metastatic breast cancer. In January 2024, Veru Inc. submitted an Investigational New Drug application to the FDA of enobosarm for prevention of muscle loss and augmentation of fat loss in combination with glucagon-like peptide-1 (GLP-1) receptor agonists like semaglutide for weight loss.
=== Dual-mode === In dual-mode, the mobile and stationary phases are reversed part way through the separation experiment. This requires changing the phase being pumped through the column as well as the direction of flow. Dual-mode operation is likely to elute the entire sample from the column but the order of elution is disrupted by switching the phase and direction of flow.
EncroChat was a Europe-based communications network and service provider used primarily by organised crime members to plan criminal activities. Police infiltrated the network between March and June 2020 during a Europe-wide investigation. Other than major criminal activities such as large scale drug trafficking, the investigation exposed what would be a torture chamber alongside self made prisons, which were all built in shipping containers. It also exposed an excessive number of Dutch police uniforms owned by a criminal organisation. All of these were owned by a known rival of Ridouan Taghi, who allegedly used the torture chamber on members of Ridouan Taghi's organisation. Sky Global was also a communications network and service provider based in Vancouver, Canada. Its most notable products were the secure messaging application Sky ECC and crypto-phones. A significant number of users were part of international crime organisations involved in drug trafficking, and the company management was also suspected of collusion. In a series of raids against criminal organisations in several countries in early 2021, a part of Sky's infrastructure in western Europe was dismantled, and the US Department of Justice issued an arrest warrant against the company's CEO Jean-François Eap. The decryption of Sky ECC exposed in particular the inner workings of the Turtle clan and the El Ballouti clan. 27 tonnes of cocaine were also intercepted which were believed to be largely trafficked by these organisations, as well as corrupted police officers and lawyers who were involved.
=== Morphology === "Candidatus Magnetoglobus multicellularis" is an obligately multicellular bacteria without a unicellular stage in its lifecycle. It typically consists of 10–40 bacterial cells in an organised spherical structure surrounding an acellular compartment. The entire organism has a diameter of approximately 3 to 12 micrometres. Individual cells are elongated into a pyramidal shape, with the narrow apex facing the acellular compartment in the centre. The outward-facing surface of each cell houses numerous flagella. The cells are all tightly joined by highly specialised intercellular junctions, similar to those found in eukaryotic multicellular organisms. The exterior of the organism features a cellulose matrix that plays a role in cell adhesion and structural integrity.
Sources: en.wikipedia.org
=== Detection === Modafinil is considered a stimulant doping agent and as such is prohibited by World Anti-Doping Agency in sports competitions. Modafinil enantiomers can be separately quantified in biological samples.
=== August === 1 August Tony Brien, 54, footballer (Leicester City, Chesterfield, Rotherham United, West Bromwich Albion, Mansfield Town, Chester City, Hull City). John Madigan, 76, hurler (Charleville, Avondhu) and rugby union player (UL Bohemians, Munster). 4 August – Colin O'Daly, 70, chef. 9 August – Art McRory, 82, Gaelic footballer (Dungannon, Tyrone senior team) and manager (Tyrone minor and senior teams). Born in Northern Ireland. 15 August – Liam McDaid, 78, Roman Catholic prelate. 23 August – Chryss Goulandris, 73, businesswoman, horse breeder and wife of Tony O'Reilly. Born in the United States.
==== SEC/IEC ==== Hydrophobic interactions in protein SEC are relatively weak at low ionic strength, electrostatic effects may contribute significantly to retention, and this allows us to use an SEC column as a weak ion exchanger.
Unlike the A and P sites, the E site contains more proteins. Because proteins are not essential for the functioning of the A and P sites, the E site molecular composition shows that it is perhaps evolved later. In primitive ribosomes, it is likely that tRNAs exited from the P site. Additionally, it has been shown that E-site tRNA bind with both the 16S and 23S rRNA subunits.
Sources: en.wikipedia.org
BPC-157 is a synthetic fifteen-amino-acid peptide whose sequence corresponds to a fragment of a protein found in human gastric juice. It is studied mainly in preclinical research and is not an approved pharmaceutical product in major markets. Materials sold for laboratory use are typically labelled as research chemicals.
No medicines regulator in the United States or the European Union has approved BPC-157 as a therapeutic product. Presenting it as a drug or as a dietary supplement ingredient would generally not match its regulatory status. Availability as a research chemical does not imply clinical approval.
Published reports rest largely on animal models and cell culture rather than controlled human trials. Review articles describe the proposed mechanisms as incompletely understood. Conclusions about effects in humans therefore remain tentative.
The lyophilized powder is normally kept at minus twenty degrees Celsius or colder. Solutions are held at refrigerator temperature or below and protected from light. Repeated freezing and thawing is avoided because it can promote aggregation or loss of activity.