Finnrick, an independent testing programme, publishes 47 assays for ZZQ Peptides: 32 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 14 did not. Most recent assay 4 Aug 2026.
ZZQ Peptides operates from China, listed by Finnrick as "Trading". Source: Finnrick, https://www.finnrick.com/vendors/zzq-peptides.
ZZQ Peptides sells to businesses rather than direct to researchers and operates from Hong Kong. It lists 11 products. It also produces and labels to order, so stock sold under other brand names may come from here.
In its own words: “ZZQ Peptide is a manufacturer of peptides, have our own research lab, and production line.The production process of freeze-dried powder is mainly based on vacuum freeze drying (freeze drying for short). Our commitment to excellence extends from the initial stages of peptide synthesis all the way through to packaging and delivery. We implement stringent quality control measures at every step to ensure that our product”
We found no test results or certificates anywhere on ZZQ Peptides's site.
No prices are published. You have to ask before you can compare cost against another supplier.
Worth knowing before you order: no published COAs and no research-use-only notice. We found no certificates of analysis or third-party test results anywhere on the site.
Site check: 11 products listed; operates from Hong Kong.
ZZQ Peptides is listed as active. Finnrick Grade D. Finnrick avg score: 6.4/10 across 33 samples (3 products). Below-average quality. Exercise caution.
ZZQ Peptides holds independent lab grade D, assigned across 33 graded samples, average score 6.4/10. 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.
| Product | Assays | Result |
|---|---|---|
| Tirzepatide | 19 | 11 passed, 7 failed |
| Retatrutide | 17 | 14 passed, 3 failed |
| GHK-Cu | 6 | 5 passed, 1 failed |
| Tesamorelin | 5 | 2 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 |
|---|---|
| Independent lab grade | D (33 samples) |
| Average grader score | 6.4/10 |
| Vendor type | Research-use supplier |
| Satisfaction | 0.4/5 |
|---|---|
| Delivery | 4.4/5 |
| Customer service | 4.2/5 |
| Packaging | 4.6/5 |
| Ease of purchase | 4.6/5 |
| Payment | 4.6/5 |
Scored out of 5 by the same independent grader, from its own buyers rather than from this site.
These details were read from ZZQ Peptides's own website on 2026-08-17. Pages consulted:
ZZQ Peptides is listed as active and we hold 47 Finnrick assays (32 passing, 14 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. Finnrick, an independent testing programme, publishes 47 assays for ZZQ Peptides: 32 met its Purity focus threshold (at least 99.5% purity, no more than 35% dosage deviation) and 14 did not. Most recent assay 4 Aug 2026.
ZZQ Peptides ships from Hong Kong.
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