If you have been reading about BPC-157 and want a single page that covers the useful parts, this is it: definitions, context, how it is studied, and the questions that come up repeatedly.
Updated 2026-08-01. Numbers and descriptions here follow the published literature rather than marketing material.
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.
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.
Physical descriptions in supplier documents and papers usually list the compound as a white to off-white powder. It dissolves readily in water and in common aqueous buffers, and solutions are often prepared fresh before an experiment. Molecular mass near 1419 daltons helps verify identity during mass spectrometry. The powder is somewhat hygroscopic, so moisture exposure can alter the measured mass of a sample. Purity is typically reported as a percentage from chromatographic analysis.
BPC-157 is a synthetic fifteen-amino-acid peptide whose sequence is GEPPPGKPADDAGLV. Its name derives from the phrase body protection compound, a term applied to a protein fraction originally detected in human gastric juice. The short peptide is not that full protein; it corresponds to a stable fragment of the larger molecule. Researchers frequently describe it as a pentadecapeptide because it contains exactly fifteen residues. Its neutral molecular mass is approximately 1419 daltons.
| Property | Value | Notes |
|---|---|---|
| Molar mass | Approximately 1419.5 g/mol | Calculated from the reported 15-residue sequence |
| Molecular formula | C62H98N16O22 | Based on the same sequence |
| Appearance | White to off-white powder | Typical of a lyophilized preparation |
| Solubility class | Freely soluble in water | Also dissolves in saline solutions |
| Typical storage temperature | Minus 20 degrees Celsius, dry | Refrigeration advised after reconstitution |
Outside laboratory supply channels, the peptide is sold as a research chemical, a category that carries no requirement to demonstrate purity, identity, or freedom from contamination. Because it is not an approved medicine, products labeled BPC-157 sit in a regulatory gap in many countries, and actual content may differ from the label. Sports organizations list it among prohibited substances, so its presence in an athlete's sample can produce a doping finding regardless of how the material was obtained.
BPC-157 is a synthetic peptide of fifteen amino acids, written as GEPPPGKPADDAGLV, whose sequence matches part of a larger protein identified in human gastric juice. That parent protein was described in stomach-secretion research, and the fifteen-residue fragment was named body protection compound, which gives the peptide its common label. Material used in experiments is produced by solid-phase peptide synthesis rather than extracted from tissue. The reported molecular weight is about 1419 daltons, and the chain contains several proline residues, a feature that appears in discussions of its resistance to enzymatic breakdown.
Published work on BPC-157 spans several decades and covers a wide range of experimental models. Much of the early literature reports outcomes in animal studies involving induced injury to the gastrointestinal tract, tendons, and other tissues. The volume of preclinical reports is large, while controlled human trials remain scarce. This imbalance is a recurring point of discussion, because animal findings do not automatically translate into human effects. Reviews often note that study designs differ substantially across laboratories.
Interest in the peptide has grown through online communities that discuss self-administered use, which sits outside formal research settings. Regulatory status varies by country, and in many jurisdictions the compound is not approved as a therapeutic product. Questions about optimal routes of administration, long-term effects, and dose-response relationships remain open. Published pharmacokinetic data in humans are limited, and much of what circulates in popular discussion is extrapolated from animal work rather than measured directly in people.
BPC-157 is a synthetic peptide built from fifteen amino acids, referred to in the literature as a pentadecapeptide. Its sequence was derived from a larger protein found in human gastric juice, commonly called body protection compound. Researchers first described the fragment in the early 1990s and named it after the parent protein plus a numeric identifier. The peptide does not correspond to a single marketed medicine; it is primarily a laboratory research material. Suppliers distribute it as a lyophilized powder intended for experimental use.
Most published findings come from rodent experiments using induced injury or surgical models. Human reports remain scarce and are largely observational, which limits how much can be stated with confidence. Questions about absorption, distribution, metabolism, and clearance in people are still open. Dose translation between species is likewise unresolved. Researchers tend to read the animal literature as a starting point rather than a settled account.
BPC-157 is a synthetic peptide composed of fifteen amino acids. Its sequence corresponds to part of a protein found in human gastric juice, which is the origin of the "body protection compound" label. In laboratory work the material is treated as a defined research chemical rather than a finished product. Published research has centered on animal models, and the peptide is not an approved medicine in most countries.
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Calcium sulfate (or calcium sulphate) is an inorganic salt with the chemical formula CaSO4. It occurs in several hydrated forms; the anhydrous state (known as anhydrite) is a white crystalline solid often found in evaporite deposits. Its dihydrate form is the mineral gypsum, which may be dehydrated to produce bassanite, the hemihydrate state. Gypsum occurs in nature as crystals (selenite) or fibrous masses (satin spar), typically colorless to white, though impurities can impart other hues. All forms of calcium sulfate are sparingly soluble in water and cause permanent hardness when dissolved therein.
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Through the development of a peptide microarray platform, his group uncovered mechanisms of DNA methylation maintenance and defined modes of chromatin engagement by distinct families of histone-binding effector domains. Recent work has also turned to how recently defined effector domains, including the YEATS domain, contribute to chromatin function and metabolic transcription
Sources: en.wikipedia.org
Extrapyramidal side effects such as: (which usually become apparent soon after therapy is begun or soon after an increase in dose is made) Muscle rigidity Hypokinesia Hyperkinesia Parkinsonism Tremor Akathisia Dystonia Dry mouth Constipation Hypersalivation – excessive salivation Blurred vision Diaphoresis – excessive sweating Nausea Dizziness Somnolence Restlessness Insomnia Overactivity Headache Nervousness Fatigue Myalgia Hyperprolactinemia and its complications such as: (acutely) Sexual dysfunction Amenorrhea – cessation of menstrual cycles Gynecomastia – enlargement of breast tissue in males Galactorrhea – the expulsion of breast milk that's not related to breastfeeding or pregnancy and if the hyperprolactinemia persists chronically, the following adverse effects may be seen: Reduced bone mineral density leading to osteoporosis (brittle bones) Infertility Dyspepsia – indigestion Abdominal pain Flatulence Nasal congestion Polyuria – passing more urine than usual Uncommon (0.1–1% incidence) adverse effects include
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The discoverers also intended to reference the support of their research by the Japanese people (Riken being almost entirely government-funded), recover lost pride and trust in science among those who were affected by the Fukushima Daiichi nuclear disaster, and honour Japanese chemist Masataka Ogawa's 1908 discovery of rhenium, which he named "nipponium" with symbol Np after the other Japanese pronunciation of Japan's name. As Ogawa's claim had not been accepted, the name "nipponium" could not be reused for a new element, and its symbol Np had since been used for neptunium. In March 2016, Morita proposed the name "nihonium" to IUPAC, with the symbol Nh. The naming realised what had been a national dream in Japanese science ever since Ogawa's claim. The former president of IUPAP, Cecilia Jarlskog, complained at the Nobel Symposium on Superheavy Elements in Bäckaskog Castle, Sweden, in June 2016 about the lack of openness involved in the process of approving new elements, and stated that she believed that the JWP's work was flawed and should be redone by a new JWP. A survey of physicists determined that many felt that the Lund–GSI 2016 criticisms of the JWP report were well-founded, but it was also generally thought that the conclusions would hold up if the work was redone. Thus the new president, Bruce McKellar, ruled that the proposed names should be released in a joint IUPAP–IUPAC press release. IUPAC and IUPAP publicised the proposal of nihonium that June, and set a five-month term to collect comments, after which the name would be formally established at a conference.
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Sources: en.wikipedia.org
It does not occur in the form that is supplied commercially. Its sequence matches a fragment of a larger gastric protein, and the research material is produced synthetically in a laboratory. The fragment described in the early literature is generally the same synthetic pentadecapeptide.
It marks the position of the sequence inside the original protein. The label traces back to early work fractionating gastric juice and describing a body protection compound. The figure does not refer to molecular weight or to the count of amino acids.
No. The sequence has no cysteine residues, so disulfide bridges cannot form. That feature makes it easier to handle than many small proteins that depend on multiple cysteines for structure.
The letters BPC stand for body protection compound. The number 157 refers to a specific fragment designation from early work on gastric proteins. The full name is a label for a synthetic fifteen-amino-acid peptide rather than a naturally isolated drug.