Third-party lab testing: 3 independent Janoshik assays on file, covering 3 substances, median measured purity 99.7%, most recent test 2026-01-27.
Finnrick, an independent testing programme, publishes 266 assays for Nexaph: 159 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 106 did not. Most recent assay 4 Aug 2026.
Nexaph listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/nexaph.
Nexaph sells direct to researchers and at wholesale, and operates from United States. It lists 53 products, including Bronchogen, Adamax, Snap-8, Cartalax, Selank, and LL-37, plus 21 other compounds.
In its own words: “Welcome to Nexa Pharmaceuticals, the trusted name in advanced peptide research. At Shanghai Nexa Pharma Co, we are dedicated to providing high-quality peptides for research purposes, ensuring scientists and researchers have access to the best tools for their work. Our products are intended strictly for in vitro testing and laboratory experimentation, complying with the highest standards of quality and safety.”
Nexaph names Janoshik Analytical in its copy but publishes no certificates, so there is nothing on the site to check that against. Of the 12 product pages we opened, every one states 99% purity and every one links its own certificate.
Prices run from $116.00 to $588.00 across 53 listed products. Payment is by bank transfer and credit card. Orders ship with FedEx and USPS.
Site check: 53 products listed; payment by bank transfer, credit card; ships via FedEx, USPS; operates from United States.
Nexaph is listed as active. Finnrick Grade D. Finnrick avg score: 7/10 across 224 samples (9 products). Below-average quality. Exercise caution.
Nexaph holds independent lab grade D, assigned across 224 graded samples, average score 7/10. That grade comes from an independent grader's own sampling, not from PeptideAtlas, and it describes the samples that grader obtained rather than every batch sold.
Community standing: 3.8/5 on Trustpilot from 60 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 |
|---|---|---|
| 3P 6mg (transparent Blue Or Blue/black) | 99.51% | 2026-01-27 |
| Nxp-3p 12mg (transparent Green Or Green/green) | 99.75% | 2026-01-09 |
| Semaglutide 10mg (grey Top, Purple Crimp) | 99.78% | 2024-09-24 |
| Product | Assays | Result |
|---|---|---|
| Retatrutide | 100 | 71 passed, 29 failed |
| Tirzepatide | 56 | 42 passed, 14 failed |
| Tesamorelin | 28 | 9 passed, 19 failed |
| BPC-157 | 17 | 10 passed, 7 failed |
| Semaglutide | 15 | 2 passed, 13 failed |
| Cagrilintide | 12 | 7 passed, 5 failed |
| GHK-Cu | 11 | 10 passed, 1 failed |
| Ipamorelin | 10 | 5 passed, 5 failed |
| CJC-1295 | 7 | 1 passed, 6 failed |
| TB-500 | 6 | 2 passed, 3 failed |
| MOTS-c | 4 | 0 passed, 4 failed |
Source: Finnrick, as published 2026-08-09. Pass and fail are Finnrick's classification against its own threshold, not ours.
| Status | Active |
|---|---|
| Independent lab grade | D (224 samples) |
| Average grader score | 7/10 |
| Trustpilot | 3.8/5 from 60 reviews |
| Independent assays on file | 3 |
| Median measured purity | 99.7% |
| Vendor type | Research-use supplier |
| Satisfaction | 0.4/5 |
|---|---|
| Delivery | 4.4/5 |
| Customer service | 4.8/5 |
| Packaging | 5/5 |
| Ease of purchase | 5/5 |
| Payment | 4.8/5 |
Scored out of 5 by the same independent grader, from its own buyers rather than from this site.
This vendor advertises 99%. Across 3 independent Janoshik assays of its products, median measured purity is 99.7%, most recently 2026-01-27.
These details were read from Nexaph's own website on 2026-08-10. Pages consulted:
Nexaph is listed as active and we hold 3 independent Janoshik assays on file, median measured purity 99.7%; 266 Finnrick assays (159 passing, 106 failing its purity threshold); an independent lab grade of D. That is evidence about the batches that were tested or published, not a guarantee about the vial you receive.
Yes. We hold 3 third-party Janoshik assays for Nexaph, covering 3 substances, with a median measured purity of 99.7%. The most recent is dated 2026-01-27. Finnrick, an independent testing programme, publishes 266 assays for Nexaph: 159 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 106 did not. Most recent assay 4 Aug 2026.
Nexaph accepts Bank Transfer, Credit Card.
Nexaph ships from United States and uses FedEx and USPS.
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Popular peptides: Semaglutide, Tirzepatide, Retatrutide, BPC-157, CJC-1295, Ipamorelin.
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