Frequently Asked Questions

Who do you sell to?

Qualified researchers, academic laboratories, and contract research organizations. By placing an order you confirm you are a researcher 21+ and accept that all compounds are sold for in-vitro investigation only.

Do you test every batch?

We batch test our research peptides monthly using HPLC and mass spectrometry through independent third-party labs. Certificates of Analysis are published on our COAs page.

How do you ship?

Discreet domestic shipping only. Orders are packaged in plain mailers and shipped temperature-controlled where appropriate.

Can I return an order?

Because of the sensitive nature of research compounds, we cannot accept returns on opened products. Damaged or incorrect shipments are replaced within 30 days — see our Refund & Return policy.

Are your products safe for human use?

No. KC BioLabs products are sold for research use only. They are not approved by the FDA for human consumption, diagnostic, or therapeutic use.