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ZhuoYan lab
Peptide Vendor. Lab-tested. Independently scored.
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- 17 HPLC samples across 2 products
- Catalog avg purity 63.5%
- Independent testing, no pay-to-rank
Boren Health independently tests products and verifies reviews. Public methodology, no pay-to-rank.
Lab testing results
Independent results across 2 products.
17
Total lab tests
63.5%
Avg purity
97.0%
Best score
25.0%
Worst score
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Tirzepatide | EBAD | 10 | 67.0% | 25.0% – 97.0% | 11/17/2025 | — | — |
| Retatrutide | COKAY | 7 | 60.0% | 46.0% – 74.0% | 11/14/2025 | — | — |
Individual lab tests
Tirzepatide8.0
Date
11/17/2025
Purity
99.95%
Quantity
15mg → 15.300mg
Lab
Lab E
Retatrutide6.3
Date
11/14/2025
Purity
99.7%
Quantity
10mg → 10.900mg
Lab
Lab G
Retatrutide4.7
Date
11/14/2025
Purity
99.6%
Quantity
60mg → 69.800mg
Lab
Lab G
Tirzepatide9.7
Date
11/4/2025
Purity
99.95%
Quantity
10mg → 10.600mg
Lab
Lab E
Retatrutide7.4
Date
10/21/2025
Purity
99.67%
Quantity
10mg → 9.840mg
Lab
Lab E
Retatrutide7.2
Date
10/9/2025
Purity
99.57%
Quantity
30mg → 29.000mg
Lab
Lab E
Tirzepatide2.5
Date
10/7/2025
Purity
98.8%
Quantity
10mg → 14.500mg
Lab
Lab G
| Product | Date | Score | Purity | Quantity | Lab |
|---|---|---|---|---|---|
| Tirzepatide | 11/17/2025 | 8.0 | 99.95% | 15mg → 15.300mg | Lab E |
| Retatrutide | 11/14/2025 | 6.3 | 99.7% | 10mg → 10.900mg | Lab G |
| Retatrutide | 11/14/2025 | 4.7 | 99.6% | 60mg → 69.800mg | Lab G |
| Tirzepatide | 11/4/2025 | 9.7 | 99.95% | 10mg → 10.600mg | Lab E |
| Retatrutide | 10/21/2025 | 7.4 | 99.67% | 10mg → 9.840mg | Lab E |
| Retatrutide | 10/9/2025 | 7.2 | 99.57% | 30mg → 29.000mg | Lab E |
| Tirzepatide | 10/7/2025 | 2.5 | 98.8% | 10mg → 14.500mg | Lab G |
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