Body Protection Compound 157, PL 14736 · Evidence-based safety and harm-reduction overview.
| Also known as | Body Protection Compound 157, PL 14736 |
| Category | Peptide |
| Class | Synthetic pentadecapeptide |
| Route in research | Injection (intraperitoneal, intramuscular, subcutaneous) or oral in animal models |
| Half-life | Unknown in humans; estimated hours in animal plasma studies |
| US legal status | Not approved by the FDA for human use. In 2023 the FDA placed BPC-157 in Category 2 of its bulk-compounding review, citing insufficient safety data. Sold only as a research chemical; not a dietary supplement or medicine. |
BPC-157 is a synthetic pentadecapeptide (15 amino acids) derived from a partial sequence of a protein found in human gastric juice. It is a laboratory-created compound studied almost entirely in animal models and in-vitro systems. No FDA-approved human formulation exists. Research is confined to basic science and preclinical testing.
BPC-157 is proposed to work through multiple pathways: stimulation of nitric oxide (a signaling molecule in blood vessels), modulation of growth factors involved in tissue repair (including VEGF and FGF), and possibly suppression of inflammatory mediators like tumor necrosis factor-alpha (TNF-alpha). The precise cellular receptors and primary targets in humans are not definitively established; most mechanistic data derive from animal studies.
BPC-157 was discovered in the 1990s by Serbian researchers investigating compounds extracted from gastric juice. Initial studies reported protective effects in ulcer models and injury recovery in rats and mice. It gained popularity in sports and bodybuilding communities despite lack of human efficacy data, driven partly by anecdote and social media. The FDA's 2023 regulatory action reflected concern about compounding and human use in the absence of clinical evidence.
Extensive rodent and invertebrate studies report effects on tendon, ligament, muscle and gut tissue repair, as well as on blood-vessel formation (angiogenesis) and inflammatory responses. Some animal models show acceleration of wound healing. However, there are no large, published, controlled human clinical trials establishing efficacy, optimal dosing, or long-term safety in people. Translating animal data to human benefit remains speculative.
In animal models, BPC-157 has been administered via injection (intraperitoneal, intramuscular, subcutaneous) and oral routes at doses typically in the range of 10-100 micrograms per kilogram of body weight per day, depending on the study design and intended effect. Some human case reports describe intramuscular or subcutaneous injection, though these fall outside any approved clinical framework.
This is general research/context information, not medical advice or a recommended protocol.
In anecdotal reports, BPC-157 is often combined with other peptides (ipamorelin, TB-500) or stem-cell products in the hopes of additive tissue-repair effects. There is no clinical evidence supporting or refuting the safety or efficacy of such combinations.
If you are going to research a compound, verifying identity and purity is the single most protective step. Independent analytical testing and sterile-handling supplies reduce risk.
Compare testing optionsIt is not an approved drug or supplement. It is sold as a research chemical 'not for human consumption'. The FDA has flagged it for compounding restrictions.
No. The evidence is largely from rodent studies. There are no large controlled human trials.
In studies it is typically administered by injection or orally in animals. We do not provide human dosing guidance.
Injection carries serious risks: infection, dosing errors, and unknown long-term effects in humans. Without medical supervision and regulated product, the risks are substantial.
No direct carcinogenicity has been observed in animal studies. However, its angiogenic properties raise theoretical concern in anyone with existing or latent cancer.
Medical & legal disclaimer. This site is for informational and harm-reduction purposes only. It is not medical advice and is not a substitute for a licensed healthcare professional. The compounds discussed are largely not approved by the FDA for human use and many are sold strictly as research chemicals 'not for human consumption.' Nothing here is an endorsement to purchase, possess, or use any substance. Laws vary by jurisdiction. Always consult a qualified physician and follow the law where you live.
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