ZLZ Peptide
Peptide Vendor. Lab-tested. Independently scored.
- 86 HPLC samples across 5 products
- Catalog avg purity 66.4%
- Independent testing, no pay-to-rank
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- Every lab certificate & purity score
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Catalog & prices
Every peptide and vial size ZLZ Peptide currently sells. Prices refresh weekly.
We don’t have a current price feed for ZLZ Peptide yet.
Either the storefront is gated, region-locked, or behind anti-bot protection. We’ll keep retrying weekly.
Lab testing results
Independent results across 5 products.
Tested products
| Product | Grade | Tests | Avg | Range | Latest | Price | $/mg |
|---|---|---|---|---|---|---|---|
| Retatrutide | COKAY | 47 | 74.0% | 44.0% – 100.0% | 11/23/2025 | — | — |
| Tirzepatide | COKAY | 27 | 74.0% | 45.0% – 100.0% | 11/23/2025 | — | — |
| Sermorelin | AGREAT | 2 | 71.0% | 66.0% – 75.0% | 10/3/2025 | — | — |
| GHK-Cu | COKAY | 6 | 64.0% | 45.0% – 80.0% | 11/18/2025 | — | — |
| Semaglutide | EBAD | 4 | 49.0% | 25.0% – 78.0% | 10/14/2025 | — | — |
Individual lab tests
Date
11/23/2025
Purity
99.9%
Quantity
20mg → 33.200mg
Lab
Lab G
Date
11/23/2025
Purity
99.9%
Quantity
20mg → 26.410mg
Lab
Lab G
Date
11/23/2025
Purity
99.8%
Quantity
20mg → 28.800mg
Lab
Lab G
Date
11/18/2025
Purity
99.93%
Quantity
50mg → 78.600mg
Lab
Lab E
Date
11/18/2025
Purity
99.66%
Quantity
50mg → 49.700mg
Lab
Lab E
Date
11/18/2025
Purity
99.62%
Quantity
50mg → 50.400mg
Lab
Lab E
Date
11/17/2025
Purity
99.95%
Quantity
50mg → 48.800mg
Lab
Lab E
| Product | Date | Score | Purity | Quantity | Lab |
|---|---|---|---|---|---|
| Retatrutide | 11/23/2025 | 4.4 | 99.9% | 20mg → 33.200mg | Lab G |
| Tirzepatide | 11/23/2025 | 4.8 | 99.9% | 20mg → 26.410mg | Lab G |
| Tirzepatide | 11/23/2025 | 4.5 | 99.8% | 20mg → 28.800mg | Lab G |
| GHK-Cu | 11/18/2025 | 4.5 | 99.93% | 50mg → 78.600mg | Lab E |
| Tirzepatide | 11/18/2025 | 7.4 | 99.66% | 50mg → 49.700mg | Lab E |
| Tirzepatide | 11/18/2025 | 7.3 | 99.62% | 50mg → 50.400mg | Lab E |
| GHK-Cu | 11/17/2025 | 8.0 | 99.95% | 50mg → 48.800mg | Lab E |
Review summary
Synthesized from reviews · AI
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