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PureSci Labs
Quality-focused supplier with excellent manufacturing disclosure and moderate catalog depth.
Most Transparent
Tests2
Score updatedAug 5, 2026
Methodologyv2.3
Movement —unchanged
Score Breakdown
Seven weighted dimensions, methodology v2.3. How weights work →
- Testing & Quality 25% 91
- Transparency 18% 95
- Manufacturing & Sourcing 15% 92
- Customer Experience 12% 80
- Shipping & Fulfillment 12% 76
- Policies & Returns 8% 78
- Community Feedback 10% 86
Score History
Historical Index Score™ snapshots. Scores are versioned and never overwritten.
Editorial Assessment
PureSci Labs discloses more about its synthesis and QC pipeline than almost any company we cover, including named manufacturing partners and lot-level HPLC traces. Test results have been strong. The score is held back by slower fulfillment and a returns process that requires multiple contact attempts in our experience testing.
- Shipping & fulfillment
- 2–4 business day dispatch; occasional delays reported during high-volume periods.
- Policies & returns
- Case-by-case resolution; documentation required.
- Testing record
- 4 independent tests. All purity results above 97.8%.