Third-party lab testing: 27 independent Janoshik assays on file, covering 23 substances, median measured purity 99.8%, most recent test 2025-10-27.
Finnrick, an independent testing programme, publishes 4 assays for Peptira: 1 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 3 did not. Most recent assay 9 Jul 2026.
Peptira operates from US, listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/peptira.
Peptira sells direct to researchers. It lists 100 products, including ARA-290 (Cibinetide), Thymosin Alpha-1, Pinealon, Tesamorelin, Cartalax, and BAM-15, plus 31 other compounds. It also produces and labels to order, so stock sold under other brand names may come from here.
In its own words: “Purity you can measure. Quality you can trust. Backed by third party testing.”
Of the 12 product pages we opened, every one links its own certificate.
Prices run from $2.99 to $199.00 across 99 listed products.
Site check: 100 products listed.
Peptira is listed as active.
Community standing: 4.6/5 on Trustpilot from 248 reviews. Ratings of anonymous sellers of unregulated products are the weakest signal on this page; the assay and grading records carry more.
| Substance | Measured purity | Test date |
|---|---|---|
| Cjc-1295 NO DAC 10mg | 99.78% | 2025-08-29 |
| Cagrilintide 10mg | 99.82% | 2025-08-13 |
| Tesamorelin 10mg | 99.14% | 2025-08-13 |
| Reta 30mg | 99.80% | 2025-08-13 |
| Reta 20mg | 99.86% | 2025-08-13 |
| Tirz 60mg | 99.97% | 2025-08-13 |
| SEMA 20mg | 99.93% | 2025-07-16 |
| Melanotan 2 10mg | 99.95% | 2025-07-16 |
| Melanotan 1 10mg | 99.75% | 2025-07-16 |
| Bacteriostatic Water 3ml | not reported | 2025-10-27 |
| BAC Water 3ml | not reported | 2025-09-15 |
| Nad+ 500mg | not reported | 2025-08-13 |
9 of these 12 assays report a measured purity figure. The other 3 confirm the substance was submitted and tested but carry no purity number on the certificate, which is not the same as a failed result.
| Product | Assays | Result |
|---|---|---|
| Retatrutide | 4 | 1 passed, 3 failed |
Source: Finnrick, as published 2026-08-09. Pass and fail are Finnrick's classification against its own threshold, not ours.
| Status | Active |
|---|---|
| Trustpilot | 4.6/5 from 248 reviews |
| Independent assays on file | 27 |
| Median measured purity | 99.8% |
| Vendor type | Research-use supplier |
This vendor advertises 99%. Across 27 independent Janoshik assays of its products, median measured purity is 99.8%, most recently 2025-10-27.
These details were read from Peptira's own website on 2026-08-10. Pages consulted:
Peptira is listed as active and we hold 27 independent Janoshik assays on file, median measured purity 99.8%; 4 Finnrick assays (1 passing, 3 failing its purity threshold). That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Yes. We hold 27 third-party Janoshik assays for Peptira, covering 23 substances, with a median measured purity of 99.8%. The most recent is dated 2025-10-27. Finnrick, an independent testing programme, publishes 4 assays for Peptira: 1 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 3 did not. Most recent assay 9 Jul 2026.
Tested substances: Cjc-1295 NO DAC 10mg, Cagrilintide 10mg, Tesamorelin 10mg, Nad+ 500mg, Reta 30mg, Reta 20mg, Tirz 60mg, Melanotan 2 10mg, Selank 10 Mg, Semax 10mg, Sermorelin 10mg, Lpamorelin 10mg.
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