Frequently asked questions

Peptides are short chains of amino acids — the building blocks of proteins. They occur naturally in the human body and play a role in various biological processes. In science, synthetically produced peptides are used as research molecules to better understand biological mechanisms. All products from 123PEPS are intended exclusively for laboratory and scientific research.

Medical peptides are approved by health authorities for human use and are prescribed as medicines. Research peptides are not approved for human use and are intended solely for scientific research in a laboratory environment. 123PEPS sells research peptides only.

Our products are intended for researchers, scientists and laboratories requiring research compounds for legitimate scientific purposes. Buyers must be at least 18 years of age and are responsible for compliance with local laws and regulations.

In the Netherlands, the sale of research peptides for scientific purposes is generally permitted, provided they are not offered or used as medicines. 123PEPS sells exclusively products labelled Research Use Only — Not For Human Consumption. The buyer is solely responsible for compliance with applicable laws in their country.

Laws and regulations regarding research compounds vary by country. The buyer is solely responsible for checking and complying with import rules in the destination country. 123PEPS is not liable for seizure, delay or other consequences resulting from customs or import restrictions.

No. 123PEPS does not provide medical advice, dosage information, treatment recommendations or health claims. All information on our website is intended solely for scientific and educational purposes.

A Certificate of Analysis (CoA) is an official laboratory document that confirms the purity, identity and composition of a product. It is issued by an independent laboratory and demonstrates that the product meets the specified quality standards. At 123PEPS, a CoA per batch is available upon request.

All 123PEPS products are batch-tested in an independent laboratory in the Netherlands. Tests include verification of purity, identity and composition. We maintain strict quality standards to deliver consistent, laboratory-grade products.

Research peptides in powder form should be stored cool, dry and away from light. Store products preferably in a refrigerator (2–8°C) and protect them from moisture and direct sunlight. Please refer to the product specifications or CoA for specific storage conditions per product.

Yes. Send an email to info@123peps.com with your order number and the product for which you would like to receive a CoA. We will send you the corresponding laboratory certificate as soon as possible.