XL
Independent testing record for XL: 4 third-party lab reports across 2 compounds, tested by 1 analytical laboratories. Built entirely from certificates submitted to ResearchVerify — the vendor has no input into this page.
Total COAs
4
Compounds
2
Testing Labs
1
Avg RV Score
6.23
Purity Range
99.7%–99.9%
Retatrutide (batch XL20251106) tested at 99.693 by Janoshik. 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 · 2 tests
- Retatrutide · 2 tests
Testing Labs
- Janoshik · 4 tests
This page is generated automatically from independently-submitted certificates of analysis. ResearchVerify is not affiliated with XL. Vendors cannot pay to appear here, alter their results, or have this page removed.