10 independent third-party assays of BPC 157, covering 6 vendors.
Measured purity across those assays runs from 96.9% to 99.9%, median 99.5%. The spread is the point: it is variation between lots and between vendors, not a single number that describes the compound.
Assay dates span 2024-08-01 to 2025-09-08.
Manufacturer recorded on the certificates: Pink Pony Peptides, HPR, Qingdao Sigma Chemical Co., Itd.
BPC-157 carries an evidence grade of C on this site (Phase I–II Clinical Trials). BPC-157 is a synthetic 15-amino-acid peptide (sequence: Gly-Glu-Pro-Pro-Pro-Gly-Lys-Pro-Ala-Asp-Asp-Ala-Gly-Leu-Val, MW ~1419.5 g/mol) derived from a protein found in human gastric juice. It has demonstrated robust regenerative and…
A certificate of analysis describes the lot that was submitted and nothing else. It is not a guarantee about a later batch, and purity is not identity — a sample can assay clean and still be the wrong compound, or the right compound at the wrong concentration. Vendors with no assay row below have not been tested here, which is not the same as having failed.
| Vendor | Assays | Median measured purity | Most recent |
|---|---|---|---|
| Qingdao Sigma Chemical QSC | 2 | 99.9% | 2024-11-15 |
| HPR | 2 | 99.9% | 2025-08-21 |
| Pink Pony Peptides | 1 | 99.5% | 2025-09-08 |
| AstropeptidesUSA | 2 | 99.2% | 2024-08-19 |
| Optima Chemical Supplies, Inc. | 2 | not reported | 2024-08-19 |
| Oasis Labs | 1 | not reported | 2024-08-19 |
Compound profile: BPC 157 — evidence, mechanism and safety.
Vendors assayed: Qingdao Sigma Chemical QSC, HPR, Pink Pony Peptides, AstropeptidesUSA, Optima Chemical Supplies, Inc., Oasis Labs.