Independent · non-commercial · publishes on a quarterly cycle|Current cycle 2026 Q3
Methodology|Interests|Funding|Corrections
Compound Evidence InstituteEvidence synthesis · established 2023Graded assessments of compounds, trials, methods and supply
Document set current to 30 July 2026
Defined term · Quality and documentation

Third-party testing

Analysis performed by a laboratory independent of the supplier. Stronger evidence than a supplier-issued certificate, and weaker than analysis of an independently purchased sample, because the…

Document identifier
CEI-GT-167
Series
Defined term
Version
1.0
Published
30 Jul 2026
Last reviewed
30 Jul 2026
Certainty
Not rated

§1Third-party testing

§1.2Category

Quality and documentation — Terms describing the documentary record of a manufactured material.

§1.3Related terms

  • Certificate of analysis — The document accompanying a batch, reporting the determinations made and the results obtained. Its value depends entirely on which fields it carries and whether the…
  • Sample provenance — The record of where an analysed sample came from and who selected it. A supplier-selected sample and an independently purchased one are different classes of evidence and…
Compound Evidence Institute · CEI-GT-167 · https://compoundevidence.com/glossary/third-party-testing/ · retrieved 30 July 2026
Nothing published by the Institute is medical advice, a diagnosis, a prescription, a treatment recommendation or a purchasing recommendation. Compounds supplied for research use are not approved for human or veterinary use in any jurisdiction, and a favourable analytical assessment of a supplier is not a statement that any product is safe or effective. The Institute publishes certainty ratings and never recommendations. No telephone number, messaging handle or ordering channel appears anywhere on this site.