Third-party lab testing: 11 independent Janoshik assays on file, covering 11 substances, median measured purity 99.4%, most recent test 2026-01-08.
Crystal Peptides is listed as active. Identified through Janoshik third-party lab testing: 11 assays on file, most recent 2026-01-08.
| Substance | Measured purity | Test date |
|---|---|---|
| HGH 10iu | 95.18% | 2026-01-07 |
| CJC 1295 With DAC 5mg | 99.29% | 2026-01-07 |
| CJC 1295 No DAC 5mg | 99.77% | 2026-01-07 |
| Lpamorelin 5mg | 99.01% | 2025-12-08 |
| TB 500 5mg | 99.34% | 2025-12-08 |
| BPC 157 5mg | 99.50% | 2025-12-08 |
| Ghk-cu 50mg | 99.41% | 2025-12-08 |
| Retatrutide 10mg | 99.84% | 2025-12-04 |
| Semaglutide 10mg | 99.43% | 2025-12-03 |
| Tirzepatide 10mg | 99.65% | 2025-12-03 |
| Bpc-157/tb500 Blend 5/5mg | not reported | 2026-01-08 |
10 of these 11 assays report a measured purity figure. The other 1 confirm the substance was submitted and tested but carry no purity number on the certificate, which is not the same as a failed result.
| Status | Active |
|---|---|
| Independent assays on file | 11 |
| Median measured purity | 99.4% |
| Certificates of analysis | Vendor states COAs are available |
| Vendor type | Research-use supplier |
| Last tested | 2026-01-08 |
These details were read from Crystal Peptides's own website on 2026-08-16. Pages consulted:
Crystal Peptides is listed as active and we hold 11 independent Janoshik assays on file, median measured purity 99.4%. That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Yes. We hold 11 third-party Janoshik assays for Crystal Peptides, covering 11 substances, with a median measured purity of 99.4%. The most recent is dated 2026-01-08.
Tested substances: Retatrutide 10mg, Semaglutide 10mg, Tirzepatide 10mg.
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