COA & Third-Party Lab Testing Checklist — COA & Semak Ujian Makmal Pihak Ketiga
September 18, 2026 | by supersuper
COA & Third-Party Lab Testing Checklist
This checklist summarises the CoA sections and third-party tests commonly requested by supplement OEM buyers and healthcare professionals.
What to request for a batch
- A batch-specific and dated Certificate of Analysis.
- Third-party identity, potency or assay, microbial and heavy-metal testing.
- Laboratory accreditation details, such as ISO/IEC 17025.
- Documentation relevant to halal and destination-market requirements.
CoA reading quick-checks
- Confirm the ingredient name and sample ID match the purchase order.
- Check the named assay method and result against the specification.
- Review microbial and pathogen results.
- Check Pb, Cd, Hg and As results against applicable limits.
When to request a retest
- Results differ from the contracted specification.
- The report lacks accreditation or is not batch-specific.
- Required chain-of-custody documentation is incomplete.
Buyer and HCP FAQs
Should I accept a supplier CoA?
Request a batch-specific third-party report where the result is critical to your claim or market.
What accreditation should the laboratory hold?
Request the laboratory’s accreditation and verify it on the report header.
Related Bionutricia guidance
- Third-Party Lab Testing for Supplement OEM.
- How to Read a Supplement Certificate of Analysis.
RELATED POSTS
View all
What is liposomal encapsulation and why is it used in premium supplements?
May 26, 2026 | by supersuper
Twenty Years Behind the Label: What We Learned Building 239+ Supplement Brands
July 13, 2026 | by supersuper
Custom‑Dose Liquid Supplements — Tailored Formulations for Your Patients
September 20, 2026 | by supersuper