QST
Independent testing record for QST: 4 third-party lab reports across 2 compounds, tested by 3 analytical laboratories. Built entirely from certificates submitted to ResearchVerify — the vendor has no input into this page.
Total COAs
4
Compounds
2
Testing Labs
3
Avg RV Score
5.52
Purity Range
99.6%–99.9%
Tirzepatide (batch Blue caps June Promo) tested at 99.592 by Peptide Test. Shown for completeness — every batch on file is counted here, not only the strongest results.
Purity Tier Distribution
4
Tier 1 (≥99.5%)
0
Tier 2 (≥98.5%)
0
Tier 3 (≥95%)
0
Tier 4 (<95%)
Recent Tests
Compounds Tested
- Tirzepatide · 3 tests
- Retatrutide · 1 tests
Testing Labs
- Peptide Test · 2 tests
- Janoshik · 1 tests
- Uzorak · 1 tests
This page is generated automatically from independently-submitted certificates of analysis. ResearchVerify is not affiliated with QST. Vendors cannot pay to appear here, alter their results, or have this page removed.