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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.

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daily tested samples

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active customers

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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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Certification, New Regulations and Specialist Cosmetic Testing – Key Information for the Cosmetics Industry 

Safety and credibility of cosmetic products increasingly require not only compliance with regulatory requirements, but also objective evidence confirming their quality and claimed performance. Properly designed testing can support both product safety assessment and marketing communication. In this latest edition, we take a closer look at the “Dermatologically Tested” voluntary certification programme, proposed changes to …

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Unified Vitamin and Mineral Limits in the European Union – What Do They Mean for Dietary Supplement Manufacturers?

The European dietary supplements market is facing one of its most significant regulatory changes since the adoption of Directive 2002/46/EC. The European Commission is currently working on unified Maximum Permitted Levels (MPLs) for vitamins and minerals in both dietary supplements and fortified foods. The new legislation aims to improve consumer safety, harmonize regulations across Member …

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Cosmetic Efficacy and Safety Evaluation: Clinical Studies and Instrumental Testing for Cosmetics

“Reduces redness,” “evens out skin tone,” “brightens discolorations” – such claims are frequently found on cosmetic products today. For consumers, they serve as a guide during product selection, whereas for cosmetic manufacturers, they represent firm marketing claims that must be supported by reliable scientific evidence. The modern beauty market no longer relies solely on catchy slogans; objective evaluation of cosmetic efficacy that …

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Summer in the Cosmetic Laboratory – Testing Cosmetic Performance in Summer Conditions and Regulatory Updates for the Industry

Summer is a particularly demanding season for cosmetic products. High temperatures, intense UV exposure, seawater and chlorinated water can all affect product performance and durability. At the same time, manufacturers must keep pace with evolving regulations governing ingredient safety and market compliance. In this article, we present the latest regulatory developments and laboratory testing methods …

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European Regulatory Framework and Professional Supplements Testing

Dietary supplements occupy a rapidly expanding segment of the European food market, driven by increasing consumer interest in preventive healthcare, nutrition, and wellness. In the European Union (EU), every dietary supplement is regulated not as a medicinal product, but as a food, which subjects them to a distinct legal and scientific framework. The primary legislative …

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Pesticide Residue Testing: New Limits for Imported Food Pose a Challenge for the Industry

Just a few years ago, many importers and processors treated pesticide residue testing primarily as an administrative formality. Today, the market reality is completely different. An unprecedented tightening of requirements is currently taking place on the Polish food market, drastically changing the rules of the game for entities importing raw materials from third countries. A …

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Nutritional Value Analysis in Dietary Supplement Testing: What Does It Deliver to Manufacturers?

The information displayed on a dietary supplement product label is a binding commitment made by the manufacturer to the consumer. To ensure that the finished supplement truly reflects its declared composition and complies with international labeling requirements, rigorous laboratory verification is essential. Dietary supplement testing confirms the exact presence and quantitative concentration of essential nutrients, …

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Testing for Heavy Metals in Supplements: Why Trace Amounts Are a Real Threat? 

A dietary supplement may boast an innovative formula and excellent marketing, but its market success often depends on something not visible on the label: the purity of raw materials. Testing for heavy metals in dietary supplements is currently one of the most critical stages of quality control, protecting not only consumer health but also the manufacturer’s reputation.  Where Does …

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Changes to European Union Regulations on Pesticide Residues in 2026 – New MRLs, Withdrawals of Active Ingredients, Renewals, and Extensions of Approvals

The year 2026 represents another stage in the intensification of the European Union’s public health protection policy, specifically regarding food safety and reducing the environmental impact of plant protection products. In recent years, there has been a systematic tightening of requirements concerning how pesticides are controlled. The implemented regulations include regular verification of active substances, …

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