Zhuoyan Peptides reviews
4 independent lab tests across 1 product · 99.8% average purity
- 4 HPLC samples across 1 products
- Catalog avg purity 99.8%
- www.zhuoyan-peptides.com
- Independent testing, no pay-to-rank
Boren Health independently tests products and verifies reviews. Public methodology, no pay-to-rank.
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What the testing shows
Across 2 measured samples from Zhuoyan Peptides, 0 came in more than 5% under the quantity on the label (0%). Purity across 2 readings ran from 99.7% to 99.8%, median 99.75%. Samples span May 2026 to Jun 2026.
- Under label
- 0/2
- Median purity
- 99.75%
- Latest sample
- Jun 2026
more than 5% short
99.7%–99.8% range
first tested May 2026
Lab testing results
Independent results across 1 product.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Retatrutide | EBAD | 4 | 50.0% | 99.7% – 99.8% | 6/16/2026 | — | — |
Individual lab tests
Date
6/16/2026
Purity
99.8%
Quantity
15 mg → 15.2 mg
Lab
BTLabs
Vial
No label / Silver crimp / Black cap
Date
5/18/2026
Purity
—
Quantity
—
Lab
BTLabs
Vial
No label / Silver crimp / White cap
Date
5/13/2026
Purity
99.7%
Quantity
10 mg → 10.1 mg
Lab
BTLabs
Vial
No label / Silver crimp / Yellow cap
| Product | Date | Score | Purity | Quantity | Lab | COA |
|---|---|---|---|---|---|---|
| Retatrutide | 6/16/2026 | — | — | BTLabs | View | |
| RetatrutideNo label / Silver crimp / Black cap | 6/16/2026 | 10.0 | 99.8% | 15 mg → 15.2 mg | BTLabs | View |
| RetatrutideNo label / Silver crimp / White cap | 5/18/2026 | — | — | BTLabs | View | |
| RetatrutideNo label / Silver crimp / Yellow cap | 5/13/2026 | 10.0 | 99.7% | 10 mg → 10.1 mg | BTLabs | View |
About Zhuoyan Peptides
Finnrick has tested 4 samples from Zhuoyan Peptides across 1 products.