ResearchVerify

ZLZ Peptide

Independent testing record for ZLZ Peptide: 272 third-party lab reports across 18 compounds, tested by 6 analytical laboratories. Built entirely from certificates submitted to ResearchVerify — the vendor has no input into this page.

Total COAs
272
Compounds
18
Testing Labs
6
Avg RV Score
4.94
Purity Range
85.8%–100.0%
⚠ Lowest-purity batch on file

TB-500 tested at 85.85 by Krause Analytical. Shown for completeness — every batch on file is counted here, not only the strongest results.

Purity Tier Distribution

221
Tier 1 (≥99.5%)
32
Tier 2 (≥98.5%)
11
Tier 3 (≥95%)
2
Tier 4 (<95%)

Recent Tests

Compounds Tested

  • Retatrutide · 99 tests
  • Tirzepatide · 92 tests
  • Tesamorelin · 15 tests
  • GHK-Cu · 15 tests
  • Semaglutide · 11 tests
  • BPC-157 · 11 tests
  • Ipamorelin · 6 tests
  • TB-500 · 5 tests
  • CJC-1295 · 5 tests
  • Sermorelin · 4 tests
  • Selank · 2 tests
  • NAD+ · 1 tests

Testing Labs

  • Krause Analytical · 178 tests
  • BTLabs · 74 tests
  • Janoshik · 11 tests
  • Chromate · 7 tests
  • Vanguard · 1 tests
  • Freedom Diagnostics · 1 tests
This page is generated automatically from independently-submitted certificates of analysis. ResearchVerify is not affiliated with ZLZ Peptide. Vendors cannot pay to appear here, alter their results, or have this page removed.