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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.

6 500

daily tested samples

8 600

active customers

2 600

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

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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Instrumental and Application Testing in the Cosmetic Industry: How to Validate Marketing Claims and Efficacy? 

On cosmetic packaging today, it is easy to find bold promises: “deep skin hydration,” “anti-aging effects,” “tear-free formula,” or “immediate smoothing.” The issue is that to the consumer, all these statements sound equally credible, regardless of whether they are backed by rigorous research and development or merely a marketing interpretation of a single observation.  Yet, the …

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Collagen in Dietary Supplements – What Does Scientific Research Say, and Why Does Quality Matter?

Collagen remains one of the most widely used ingredients in the health and wellness industry. Growing interest in collagen’s effects on skin integrity, joint function, and bone density continues to drive the development of innovative formulations that enhance oral bioavailability. At the same time, increasing attention is being paid to raw material sourcing, strict regulatory …

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June in the Cosmetic Laboratory – Proven Efficacy and Reliable Support for Cosmetic Claims

Today, scientifically substantiated efficacy is one of the most important factors in building trust in a cosmetic brand. Reliable testing methods make it possible to objectively assess the impact of cosmetics on problematic skin, confirm their soothing and regenerative properties, and provide credible evidence supporting marketing claims. In this latest overview, we take a closer …

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EU Regulation 2026/909: New Challenges for the Cosmetics Industry

The beauty industry is on the verge of significant legal shifts that force a revision of market entry strategies. On April 27, 2026, key regulatory updates were published, and on May 18, 2026, EU Regulation 2026/909 entered into force. For manufacturers and distributors, this is more than a mere formality—this new regulation significantly amends the annexes to …

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Cosmetic Efficacy Evaluation: How to Test Skin Firmness and Skin Elasticity Beyond Marketing Claims

“Firmer skin,” “lift effect,” “improved elasticity” – these are among the most frequent product claims found in beauty brand communication. The issue is that to the consumer, they all sound remarkably similar, regardless of whether they are backed by a rigorous scientific study or merely a subjective consumer rating. However, skin firmness and elasticity belong …

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Dietary Supplement Composition Analysis: Why the Label Declaration is Only the Beginning

Not every dietary supplement performs as promised by the description on its packaging. While the dietary supplement market is growing rapidly, public awareness of what truly lies behind terms like “plant extract” or “high dose of vitamins” often lags behind. For a product to be both safe and effective, professional composition analysis is essential to …

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