Finnrick, an independent testing programme, publishes 5 assays for Qingdao VitaConin International Trading: 4 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 1 did not. Most recent assay 29 Dec 2025.
Qingdao VitaConin International Trading operates from china, listed by Finnrick as "Trading", has no storefront on record — Finnrick lists only a messaging or social contact. Source: Finnrick, https://www.finnrick.com/vendors/qingdao-vitaconin-international-trading.
Finnrick-tested with very poor results. Tested across 1 peptide products with 5 total samples.
Qingdao VitaConin International Trading is listed as active with a standing warning against it. Finnrick Grade E. Finnrick avg score: 4.3/10 across 5 samples (1 products). Poor quality detected in testing. Use with extreme caution.
Qingdao VitaConin International Trading holds independent lab grade E, assigned across 5 graded samples, average score 4.3/10. 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.
No independent third-party assay is on file for Qingdao VitaConin International Trading, and we have not yet compiled a profile of its own website. An untested vendor has not failed a test — this is an absence of evidence, not evidence against it.
| Product | Assays | Result |
|---|---|---|
| Tirzepatide | 5 | 4 passed, 1 failed |
Source: Finnrick, as published 2026-08-09. Pass and fail are Finnrick's classification against its own threshold, not ours.
| Status | Active, with a standing warning |
|---|---|
| Independent lab grade | E (5 samples) |
| Average grader score | 4.3/10 |
| Vendor type | Research-use supplier |
Treat Qingdao VitaConin International Trading with caution — it carries an active warning on this directory. Also on record: 5 Finnrick assays (4 passing, 1 failing its purity threshold); an independent lab grade of E.
Yes. Finnrick, an independent testing programme, publishes 5 assays for Qingdao VitaConin International Trading: 4 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 1 did not. Most recent assay 29 Dec 2025.
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