By law, medicines must be produced in plants that meet Good Manufacturing Practice (GMP) standards. This is a set of rules that guarantees that medicines are made from the highest quality raw materials and in the cleanest conditions. It was created to minimize health risks at the production stage. Only the GMP system can guarantee that each drug package is of the same quality as the finished products sent for laboratory tests.
Such a high standard is not required by law for dietary supplements. Formally, they are treated as food, not medicines. In practice, this means that many supplements are manufactured in conditions that are far from pharmaceutical purity.
However, some companies , out of concern for quality and safety, outsource the supplement production process to GMP-certified plants. In these places, supplements are made in accordance with very strict principles of Good Manufacturing Practice, just like medicines.
There are detailed written instructions for each production stage. Each GMP-certified plant has a system to ensure strict compliance. It works at every stage and every time the product is manufactured. Special inspections are also carried out in such plants to check quality standards according to GMP .
It is sometimes said that this entire system comes down to the "5 P": personnel, products, processes, procedures, and rooms and equipment . Each of these components has a direct impact on the quality of the final product .
The plant should employ an appropriate number of suitably qualified and experienced employees. Each of them must undergo GMP training and fully understand their roles and responsibilities.
All products must be constantly tested. Manufacturers should ensure the purity of raw materials and other materials. They must be protected from contamination at every stage. All labels for marking containers, devices and rooms must be legible and unambiguous.
Processes should be properly documented, clear and consistent. Employees must be well versed in them. Regular assessment should be carried out to ensure that processes are followed correctly. Each step of the process must be documented.
Procedures, i.e. guidelines that apply to individual operations. Procedures must be well known to all employees and consistently followed. Any deviations from standard procedures must be reported immediately. Each such case should be thoroughly investigated.
Production rooms should be kept as clean as possible. The goal is to avoid cross-contamination as well as accidents. Production halls and production warehouses must have appropriate air temperature, humidity, lighting and ventilation. All equipment must be properly calibrated, cleaned and maintained. Its arrangement and design must minimize the risk of error.
In addition to the above-mentioned issues, GMP also regulates the storage and transport of raw materials and finished products. GMP rules also apply to water supply to plants , sewage and waste management, the complaint process and product recalls . It is a very complex system with a large number of specific requirements.
In practice, all this is needed to ensure that the finished product (medicine or dietary supplement):
And even though the supplement is not formally a medicine, everyone would probably prefer that the capsules or tablets they take every day meet the above strict conditions and are as safe as possible.
Bibliography: “Medicines: Good manufacturing practices”, World Health Organization. who.org, November 20, 2015 “Good manufacturing practice”, European Medicines Agency, ema.europa.eu, accessed January 10, 2022. “GMP: Good Manufacturing Practices”, safetyculture.com, December 15, 2021 Duszyńska M., “GMP - Good Manufacturing Practice”, laboratories.net, accessed January 10, 2022.
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Napisała: Hanna Borowska
Editor, journalist, science writer, certified nutrition consultant. Motherhood made her interest in health issues change the direction of her professional path. She has completed several trainings and courses in Poland and abroad in the field of dietetics, functional medicine and aromatherapy. She is passionate about the unexplored power of the human microbiome. She graduated with honors from the Faculty of Journalism and Political Science at the University of Warsaw. For many years associated with Euroradio.fm.
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