How to Evaluate Empty Capsule Supplier Certifications

Oct 14, 2026

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Sophia Brown
Sophia Brown
Sophia is a quality control inspector at Hubei Kornnac Pharmaceutical Co., Ltd. She strictly adheres to quality standards, ensuring that every empty capsule produced meets the highest quality requirements.

When selecting an empty capsule supplier, check what each credential covers and whether it applies to the product you plan to buy. Management system certificates, religious certifications, regulatory filings and batch quality records serve different purposes. Together, they can support supplier qualification, but no single document guarantees approval of your finished product in every market.

At KornnacCaps, we encourage buyers to connect certification review with practical product assessment. This guide explains how to evaluate the documents behind an empty capsule order and what to request for your formulation and destination market.

Certified-Quality

Start with the product and intended market

Define the capsule material, size, color, printing requirements and intended use before collecting certificates. A document for a gelatin raw material does not automatically cover a finished HPMC capsule, and a certificate for one manufacturing site should not be applied to another.

For each credential, compare the legal company name, site address, product scope, issuing organization and validity details with your proposed supply arrangement. Ask for supporting documentation when a company name has changed. Keep raw material supplier certificates separate from finished capsule manufacturer certificates.

What ISO certifications tell capsule buyers

ISO 9001 addresses quality management systems. ISO 22000 addresses food safety management systems. These frameworks help buyers assess how an organization manages its processes, but management system certification is not certification of every capsule batch or approval of a finished medicine.

Source: ISO and IAF - Expected outcomes for accredited certification to ISO 9001

 

For KornnacCaps supplier qualification, request the current ISO 9001 and ISO 22000 certificates and check the manufacturing activities and sites within their scope. Review product specifications and batch results separately, rather than treating an ISO logo as a substitute for technical evidence.

Look at the controls behind the certificates

KornnacCaps quality documentation describes supplier evaluation and approval, incoming material controls, production monitoring, finished product review and authorized release. It also covers deviation management, change control, corrective and preventive actions, and shipment and recall procedures supported by traceable records.

 

For buyers, these controls create useful audit questions: How are suppliers approved? Who authorizes batch release? How are changes communicated? Can a delivered lot be traced through the relevant production and inspection records? Asking these questions connects quality management with the capsule supply you will actually receive.

 

Request the KornnacCaps quality documents relevant to your capsule project.

Check Halal and Kosher scope separately from vegetarian claims

For a Halal or Kosher product requirement, request the applicable certificate and its product schedule. Verify that the named manufacturer, capsule type and production site match the proposed order. A gelatin supplier certificate can support raw material assessment, but does not by itself establish certification of the finished capsule.

 

Halal, Kosher and vegetarian suitability are different requirements. A religiously compliant gelatin capsule can still contain animal-derived material. For plant-based formulations, KornnacCaps has product-specific vegetarian or vegan statements for HPMC capsules. A manufacturer statement should be described as a statement, rather than an independent third-party certification.

 

Include colorants, processing aids and printing ink in the review of a customized capsule. Confirm the documentation for the exact formulation instead of extending a transparent, unprinted shell statement to every finished variant.

Understand what a US DMF filing means

KornnacCaps has announced U.S. Drug Master File number 043237. A DMF allows a holder to submit confidential manufacturing or quality information to the FDA for use in reviewing relevant submissions. A DMF number is not FDA product approval or proof that a facility has passed an FDA inspection.

The FDA neither approves nor disapproves a DMF. Referencing its contents requires authorization from the holder, normally through a Letter of Authorization. Buyers should confirm the holder, subject, current status and relevance to their application before arranging a reference.

Source: U.S. FDA - Drug Master Files and authorization guidance

 

For a pharmaceutical project, ask which capsule product and manufacturing information the filing covers and whether a Letter of Authorization can be arranged for your submission. Do not assume the filing eliminates the need for your own finished product evidence or guarantees a shorter approval timeline.

Match market registration and shipment documents to the order

For supply to the European Union or Türkiye, request the relevant registration or listing record and confirm its exact purpose with your importer or regulatory team. Check whether it concerns an establishment, a material, a product category or a specific import procedure. A registration reference should not be presented as blanket approval for all capsule products and uses.

 

Health certificates and veterinary documents should also be reviewed for their stated purpose and scope. For gelatin-based products, clarify the animal source and the supporting documentation required for the intended shipment. Do not treat a health certificate as a general guarantee about personnel health or assume that one certificate covers every future consignment.

 

Discuss your destination market and documentation requirements with KornnacCaps.

Request technical evidence alongside certification

Supplier qualification should include documents that explain the capsule specification and show how the supplied lot is assessed. KornnacCaps product materials include technical data, test methods and product-specific declarations. Select the relevant documents for your capsule type instead of combining limits from different products or revisions.

Technical data sheets and test methods

A technical data sheet helps define the agreed specification, including relevant dimensions, moisture limits, disintegration requirements, packaging and storage conditions. Review the test method where performance matters to your formulation. Standard, enteric and acid-resistant capsules should not be treated as interchangeable products.

Certificates of analysis and traceability

Request a batch-specific Certificate of Analysis for the supplied lot and compare it with the agreed specification. A reference COA or blank template explains the reporting format; it is not an issued result for your shipment. Match the batch number and product identification across the COA, labels and delivery records.

Product declarations and customized formulations

Ask for the relevant composition, allergen, GMO, TSE/BSE, vegetarian or residual solvent statements according to your project. These documents have different scopes and should be evaluated individually. For example, the declaration for a standard capsule should not automatically be applied to an enteric-coated version with a different manufacturing process.

A practical checklist before placing an order

Confirm the capsule material, specification, intended use and destination market.

Match each certificate to its holder, manufacturing site, covered products and current validity.

Separate manufacturer credentials from raw material supplier certificates and product declarations.

Agree on the technical specification and request a representative COA format before ordering.

Confirm batch documentation, any required authorization and shipment paperwork before dispatch.

Evaluate samples with your formulation and filling process before approving routine supply.

Choose capsule documentation that supports your buying decision

A useful qualification package connects the supplier, the capsule specification and the delivered batch. This makes it easier to identify missing information before an order and to keep procurement, quality and regulatory teams working from the same requirements.

Share your capsule material, size, formulation type, target market and estimated quantity with KornnacCaps. We can discuss the relevant specifications and supporting documents for your project, including any additional information your team needs to review.

 

Contact KornnacCaps to request capsule specifications, supporting documents and samples.

References

ISO and IAF - Expected outcomes for accredited certification to ISO 9001

https://www.iso.org/iso/definitive_expected_outcomes_iso9001.pdf

ISO - ISO 22000 explained

https://www.iso.org/insights/iso-22000-explained

U.S. FDA - Drug Master Files

https://www.fda.gov/drugs/forms-submission-requirements/drug-master-files-dmfs

U.S. FDA - Drug Master Files Guidelines

https://www.fda.gov/regulatory-information/search-fda-guidance-documents/drug-master-files-guidelines

KornnacCaps - Company announcement of DMF 043237

https://www.kornnaccaps.com/news/congratulations-kornnaccaps-successfully-pass-85411841.html

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