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Zztai Peptide
Peptide Vendor. Lab-tested. Independently scored.
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- 21 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.
21
Total lab tests
63.5%
Avg purity
80.0%
Best score
46.0%
Worst score
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Retatrutide | COKAY | 7 | 67.0% | 50.0% – 80.0% | 9/18/2025 | — | — |
| Tirzepatide | COKAY | 14 | 60.0% | 46.0% – 80.0% | 10/30/2025 | — | — |
Individual lab tests
Tirzepatide6.3
Date
10/30/2025
Purity
99.7%
Quantity
15mg → 16.320mg
Lab
Lab G
Tirzepatide6.1
Date
10/24/2025
Purity
99.7%
Quantity
30mg → 27.090mg
Lab
Lab G
Tirzepatide5.4
Date
9/18/2025
Purity
99.92%
Quantity
10mg → 11.700mg
Lab
Lab E
Retatrutide7.0
Date
9/18/2025
Purity
99.94%
Quantity
10mg → 9.200mg
Lab
Lab E
Tirzepatide5.2
Date
9/18/2025
Purity
99.95%
Quantity
5mg → 5.910mg
Lab
Lab E
Retatrutide5.0
Date
9/4/2025
Purity
96.63%
Quantity
10mg → 9.920mg
Lab
Lab E
Tirzepatide6.3
Date
8/31/2025
Purity
98.59%
Quantity
15mg → 13.600mg
Lab
Lab E
| Product | Date | Score | Purity | Quantity | Lab |
|---|---|---|---|---|---|
| Tirzepatide | 10/30/2025 | 6.3 | 99.7% | 15mg → 16.320mg | Lab G |
| Tirzepatide | 10/24/2025 | 6.1 | 99.7% | 30mg → 27.090mg | Lab G |
| Tirzepatide | 9/18/2025 | 5.4 | 99.92% | 10mg → 11.700mg | Lab E |
| Retatrutide | 9/18/2025 | 7.0 | 99.94% | 10mg → 9.200mg | Lab E |
| Tirzepatide | 9/18/2025 | 5.2 | 99.95% | 5mg → 5.910mg | Lab E |
| Retatrutide | 9/4/2025 | 5.0 | 96.63% | 10mg → 9.920mg | Lab E |
| Tirzepatide | 8/31/2025 | 6.3 | 98.59% | 15mg → 13.600mg | Lab E |
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