Ensuring Compliance With an ISO 17025 Accredited Testing Laboratory

When a COA accompanies a product through a regulatory review, a customs clearance, or an Amazon compliance check, the first thing evaluators look for is the laboratory’s accreditation status. An ISO 17025 accredited laboratory does not simply run tests — it operates under a quality management system that ensures every result is accurate, reproducible, and defensible. For companies that depend on laboratory data to release products, satisfy regulators, and maintain market access, the distinction between accredited and non-accredited testing is the difference between data that holds up under scrutiny and data that does not.

What ISO 17025 Accreditation Means

ISO/IEC 17025 is the international standard that specifies requirements for the competence of testing and calibration laboratories. Published by the International Organization for Standardization (ISO) and the International Electrotechnical Commission (IEC), it establishes a framework that covers two fundamental dimensions:

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Management System Requirements

The management system components of ISO 17025 ensure that the laboratory operates with documented procedures, maintains proper records, and has mechanisms for identifying and correcting problems. Key requirements include:

• Document control — All standard operating procedures, test methods, and quality documents are version-controlled and accessible to authorized personnel
• Internal audits — Scheduled self-assessments evaluate compliance with the standard and identify opportunities for improvement
• Management review — Laboratory leadership regularly reviews quality system performance, resource adequacy, and corrective action effectiveness
• Corrective and preventive action — When non-conformities are identified, the laboratory investigates root causes and implements actions to prevent recurrence
• Complaints handling — A formal process for receiving, investigating, and resolving client complaints

Technical Requirements

The technical requirements ensure that the laboratory has the competence, equipment, and methodologies needed to produce valid results:

• Personnel competence — Staff must be trained, evaluated, and authorized for the specific tests they perform. Training records and competency assessments are maintained
• Method validation — Every test method must be validated or verified for its intended application before it is used for client work. Validation includes establishing precision, accuracy, linearity, detection limits, and measurement uncertainty
• Equipment calibration — All measurement equipment is calibrated against traceable reference standards on a documented schedule. Out-of-tolerance conditions trigger corrective action and review of potentially affected results
• Measurement uncertainty — The laboratory estimates and reports measurement uncertainty for quantitative results, providing clients with context for interpreting their data
• Sample handling — Procedures for receiving, identifying, storing, and disposing of test items prevent mix-ups, contamination, and degradation

Why Accreditation Matters for Your Business

Regulatory Acceptance

Regulatory agencies — including the FDA, EPA, and their international counterparts — recognize ISO 17025 accreditation as evidence that a laboratory produces reliable results. For dietary supplement manufacturers subject to 21 CFR Part 111, testing at an accredited laboratory satisfies the requirement for identity, purity, strength, and composition testing. For cosmetic brands documenting product safety for EU Product Information Files, accredited test results carry the regulatory weight needed for market authorization.

Marketplace Compliance

Amazon, Walmart, Target, and other major retailers require third-party testing documentation from accredited laboratories. A COA from a non-accredited lab may be rejected outright, resulting in listing suppression and compliance escalation. ISO 17025 accreditation is the universal credential that satisfies these marketplace requirements.

Data Defensibility

In the event of a consumer complaint, regulatory inquiry, or product liability claim, laboratory data becomes evidence. Accredited laboratories maintain the documentation trails, method validations, and quality records needed to defend their results under scrutiny. Non-accredited laboratories often lack this infrastructure, leaving brands exposed when their data is challenged.

International Recognition

ISO 17025 accreditation is recognized globally through mutual recognition agreements between accreditation bodies. A COA from a Qalitex laboratory carries the same credibility whether the product is destined for the U.S., EU, ASEAN, or Australian market.

Reduced Risk of Errors

The quality management system required by ISO 17025 — including proficiency testing, internal quality control, and systematic corrective action — significantly reduces the probability of erroneous results. For brands, this means fewer false positives, fewer false negatives, and fewer situations where a product is released based on inaccurate data.

What Sets Qalitex Apart as an Accredited Laboratory

Qalitex Laboratories maintains ISO/IEC 17025 accreditation and operates under a quality management system designed to deliver accurate, reliable results across every testing discipline we offer:

• Validated methods — Every test method in our scope of accreditation has been validated or verified for its specific application, with documented evidence of precision, accuracy, and measurement uncertainty
• Calibrated instrumentation — ICP-MS, HPLC, GC-MS, and all other analytical instruments are calibrated on a documented schedule with traceability to NIST or equivalent reference standards
• Trained analysts — Our team undergoes initial and ongoing competency assessment, with documented training records and regular proficiency testing participation
• Quality oversight — An independent quality manager reviews procedures, monitors corrective actions, and ensures continuous improvement across all laboratory operations
• Comprehensive documentation — Every COA we issue is backed by a complete audit trail including raw data, calibration records, analyst identification, and quality control results

Industries We Serve

Our accredited testing capabilities support companies across:

• Dietary supplements — Identity, purity, potency, heavy metals, microbiology, and label claim verification
• Cosmetics and personal care — Preservative efficacy, stability, microbial screening, and chemical analysis
• Food and beverages — Contaminant screening, nutritional analysis, allergen testing, and shelf-life evaluation
• Pharmaceuticals — Raw material testing, finished product release, and stability studies

Frequently Asked Questions

What is the difference between ISO 17025 and ISO 9001? ISO 9001 is a general quality management standard applicable to any organization. ISO 17025 is specifically designed for testing and calibration laboratories and includes technical requirements — method validation, measurement uncertainty, equipment calibration — that ISO 9001 does not address. For laboratory testing, ISO 17025 is the relevant standard.

How can I verify that a lab is ISO 17025 accredited? Request the laboratory’s accreditation certificate and scope of accreditation, which lists the specific tests covered. You can also verify accreditation status through the accreditation body’s public directory (e.g., A2LA, ILAC, or the relevant national body).

Does ISO 17025 accreditation cover all tests a lab performs? Not necessarily. Accreditation is granted for specific test methods and matrices listed in the laboratory’s scope of accreditation. Tests performed outside this scope may not carry the same quality assurance. Always verify that the specific test you need falls within the lab’s accredited scope.

Work With an Accredited Partner

Choosing an ISO 17025 accredited laboratory is not a preference — it is a requirement for companies that need their testing data to satisfy regulators, retailers, and consumers. Qalitex delivers the analytical precision, quality infrastructure, and regulatory expertise that your compliance program depends on.

Contact Qalitex today to learn more about our accredited testing services and how we can support your compliance, quality, and market access goals.