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FAQ

Peptides are short chains of amino acids, which are the building blocks of proteins.

In research, they are used for various purposes, including the study of protein functions, the development of scientific investigations, and other biochemical applications.

Our peptides are sold for research purposes only. We are not responsible for any purchase intended for personal use, including human or animal consumption, or for use as drugs, food additives, household chemicals, or other inappropriate applications.

Our products are tested by Prime Analytical Laboratories, an independent third-party laboratory in Concord, California. The Certificate of Analysis (COA) is shown on each product page, or available on request at [email protected].

Please refer to the storage specifications on the individual product page and applicable product documentation.

All sales are final and we do not accept returns for change of mind. If your order arrives wrong or damaged, email [email protected] within 48 hours of delivery. If your package is lost in transit, email us within 48 hours of the expected delivery date. We will send a replacement or a full refund, including shipping. See our full Refunds & Returns Policy.

If you have further questions, please feel free to contact our customer support at : [email protected].
We are here to assist you with any inquiries related to our products.

Research Use Acknowledgment

I understand these products are for research use only and not for use in people or pets. I am purchasing these items for laboratory or research purposes only. They are not for human or animal use, not medicine, and not for diagnosing, treating, or curing any condition. I will follow all applicable laws and safe handling rules. I accept that Sigma Peptides, this website, and our affiliates are not responsible for how I use or store these items once delivered, to the fullest extent allowed by law.

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