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Jul 9, 2026 at 9:57 AMSwitzerland is in a football frenzy. However, enthusiasm for sports can also be harmful. On June 22, 2026, the Federal Office for Customs and Border Security (FOCBS), Swissmedic, and Swiss Sport Integrity (SSI) conducted a joint operation against the illegal trade in peptides. The aim of the operation was to inspect shipments that may have contained illegally imported peptides or similar substances. The results of the inspections highlight the growing problem of trading such products through unregulated online channels, which are often offered without approval and quality guarantees.
As part of the operation, a total of 46 shipments containing suspicious peptide-based preparations were checked. Of these, 23 shipments were retained, with 21 classified as doping agents and two as medicinal products. Although the quantities of the retained products were within legal tolerance limits, they had to be released due to health risks. However, the recipients received a letter informing them that the use of the products was at their own risk. A large portion of the inspected shipments, about 80%, originated from Poland and were often misdeclared.
Growing risks from unregulated offers
The inspections show that the marketing of such products is becoming increasingly professional, making it difficult for consumers to recognize dubious offers. Peptides are often advertised with promises of quick solutions for various physical goals, such as muscle building, weight reduction, or enhanced performance. However, these substances are often not sufficiently tested and are not approved as medicinal products in Switzerland.
Peptides are molecules made up of amino acids and are partially found in the human body. While peptide-based drugs have been used in medicine for decades, many of the products offered online are not suitable for human use. They are often labeled as „Research Chemicals“ or „not for human use,“ while simultaneously being marketed for human application. The actual composition and dosage of these products often remain unclear, which can lead to unwanted effects.
Health risks and legal consequences
The manufacturing and formulation of peptide-based medicines is complex and subject to strict legal requirements. Products from uncontrolled sources can be chemically or microbiologically contaminated, which can have serious health consequences, especially for injectable preparations. Additionally, many of these substances are banned in sports, posing an additional risk for athletes. Swiss Sport Integrity evaluates corresponding cases and takes action within its jurisdiction.
Authorities also warn of the legal consequences of distributing such products. Websites offering medicinal products not approved in Switzerland can lead to legal action. The distribution of uncontrolled products is illegal, regardless of their labeling as „Research Chemicals“ or „dietary supplements.“
Swissmedic and SSI strongly advise against ordering peptides or similar substances from unknown suppliers over the internet. These products do not represent a safe solution for performance enhancement or health improvements but pose significant health risks. In case of health complaints or questions regarding treatments, a medical professional should always be consulted.





