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Video: J.S. Hamilton Laboratory in Gdynia

We are delighted to announce you that the J.S. Hamilton Laboratory in Gdynia is fully operational and offers a comprehensive range of services related to the testing of food and dietary supplements.

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Voluntary Certification J.S. Hamilton

Voluntary Certification is an assessment process to confirm that a certain characteristic of a product or material has been met.

The result of the assessment carried out for the customer is obtaining a certificate and an individual mark of conformity

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Network of accredited testing
laboratories J.S. Hamilton

J.S. Hamilton offers a wide spectrum of microbiological and chemical analyses for manufacturers of food, cosmetics, pharmaceuticals, chemicals, food contact packaging and many other industries. J.S. Hamilton provides also independent inspection services in order to check the quality and quantity of goods being subjected to international trade.

7 000

daily tested samples

6 000

regular clients

1 600

accredited testing methods

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Food and Feed

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Cosmetics

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Environmental Tests

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Packaging, toys and consumer products

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Inspections and fuel fumigation

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Other Services

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News

Determination of the TOTOX Index in Dietary Supplements – The Importance of the Oxidation Indicator in Assessing the Quality of Omega-3 Oils

The winter period is conducive to reviewing quality processes and verifying product stability. In the case of dietary supplements containing oils—particularly omega-3 fatty acids derived from fish and algae—their susceptibility to oxidation remains a key issue. One of the most comprehensive parameters for assessing this process is the TOTOX (Total Oxidation Value) index, which serves …

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Trends in the cosmetics research industry in February – effectiveness and new equipment possibilities

Winter months do not slow down development processes in the cosmetics industry. On the contrary, this period is often dedicated to structuring documentation, verifying regulatory requirements and planning studies that form the foundation for safe and credible product launches. The February overview covers both key research directions and practical solutions supporting objective efficacy assessment. COSMETOTEST …

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Verify the Active Compounds Content in Your Dietary Supplements: An Essential Verification Program

In the competitive dietary supplements market, ensuring the quality and safety of your products is paramount. Precise verification of active compounds is not just a regulatory requirement but a cornerstone of consumer trust. This article explores the critical aspects of a dietary supplement verification program, highlighting the importance of accurate testing and compliance with industry …

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Assessment of Dietary Supplement Efficacy & Food Effects

In today’s market, the assessment of dietary supplements and food products is crucial for manufacturers aiming to meet consumer expectations and regulatory demands. With the number of dietary supplement options available, instrumental analysis provides a robust method to confirm the efficacy of these products and ensure they deliver on their promises. Importance of Dietary Supplement …

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Doping Testing in Nutritional Products and Dietary Supplements

Doping in sport is a problem that affects both amateur and professional athletes. In the context of dietary supplements and sports nutrition products, doping testing becomes crucial for protecting athletes’ health and maintaining fair competition. This article discusses doping-related aspects of supportive products, highlighting potential risks and the need for proper control. What Is Doping …

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New Update in FCM: Regulation (EU) 2026/245 is here!

The landscape of Food Contact Materials (FCM) in the EU continues to evolve, and the recent publication of Commission Regulation (EU) 2026/245 (amending Annex I of 10/2011) marks another critical step for the industry.  If you are used to seeing the “Restrictions and Specifications” column in Annex I as mostly empty, it’s time to look again. This update demonstrates a clear trend: that last column …

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Storage testing of dietary supplements – check how long your product retains its value in various climate zones

The stability of dietary supplements is one of the key elements of their quality. Consumers expect that the declared content of active ingredients will be maintained throughout the shelf life and that the product will be safe and comply with the specifications. To guarantee this, manufacturers use stability studies to assess how a supplement behaves …

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New Year in the cosmetology laboratory – Regulations, Events, and Practical Information for the Start of the Year

The beginning of the year is a good time to organize the most important information for the cosmetics industry and to look ahead to the coming months from the perspective of regulatory changes, planned events, and practical aspects of laboratory cooperation. In the latest edition of COSM updates, we summarize key topics that may be …

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Proven proficiency in contaminant testing of recycled plastics

We are pleased to announce that J.S. Hamilton Poland laboratories have successfully completed the DRRR Proficiency Testing programme conducted for Plastics Recyclers Europe (PRE): “Contaminants in recycled plastic material – Phase 2 (RVEP 259599)”. Successful completion of both proficiency testing rounds resulted in J.S. Hamilton being included on the list of laboratories accepted by Plastics …

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