- Quality & Testing
Transparency You Can Verify
At PureDirect, quality isn’t a claim — it’s a process you can see and verify. Every product is synthesized, tested, and packaged in the United States under strict laboratory standards. From in-house controls to 3rd party ISO accredited testing, we never compromise.
- Documentation
Certificates of Analysis
In-house Testing
Every batch verified before release
3rd Party Verification
ISO accredited results within 3-4 weeks
Request Anytime
Via email or with your order
How We Test
HPLC Analysis
High-Performance Liquid Chromatography confirms purity levels of ≥99.49% for every batch.
Mass Spectrometry
Precise molecular identity verification ensures the exact compound you expect.
3rd Party ISO Accredited Testing
Independent ISO-accredited lab verification available for each batch (typically 3-4 weeks after release).
Full Documentation
Complete Certificate of Analysis available for every product, every lot.
Made in USA
What's listed on the label is exactly what's in the vial. No guessing, no surprises — just precise, verified formulations.
Consistency
Every lot is tested against the same strict benchmarks. Whether it's your first order or your hundredth, quality never wavers.
Confidence
Trust that our products meet the highest standards of quality. We stake our reputation on every vial we produce.