Lab Quality Rankings
Independent testing labs ranked by purity, consistency, and verified batch data.
4
Labs tracked
4
Total tests
99.8%
Network avg purity
Quality score:85+ Excellent70–84 GoodBelow 70Limited data
| # | Lab | Country | Avg Purity | ±σ | Tests | Compounds | Verified | Last Tested | Score |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Accumark Labs | US | 100.0% | — | 1 | 1 | 1 | Feb 19, 2026 | Limited |
| 2 | Freedom Diagnostics | US | 99.9% | — | 1 | 1 | 1 | Jan 16, 2026 | Limited |
| 3 | Hangzhou Patience Chemical Co., LTD | CN | 99.5% | — | 1 | 1 | 0 | Jan 29, 2025 | Limited |
| 4 | Vanguard Laboratory | US | 99.8% | — | 1 | 1 | 1 | Oct 1, 2025 | Limited |
How scores work
Quality score = avg purity (60%) + consistency via σ (30%) + verified ratio (10%). Labs with fewer than 3 tests show "Limited" — insufficient sample for reliable scoring. Scores are clamped 0–100.