How fast is shipping?

Orders typically ship within 1–3 business days. Orders over $200 qualify for same-day shipping.

How should peptides be stored?

Store lyophilized peptides in a cool, dry place away from light. Reconstituted peptides should be refrigerated at 2–8°C.

Are your products purity tested?

Yes. All products undergo third-party testing to ≥99% purity using HPLC and mass spectrometry before shipping.

What is a COA?

A Certificate of Analysis verifies purity and testing results of a specific product batch including HPLC data and mass spec results.

What purity are your peptides?

Most products are tested to ≥99% purity, confirmed through independent third-party laboratory analysis.

Can you provide dosing advice?

We do not provide medical or human-use guidance. All products are strictly for laboratory research. Consult scientific literature for protocols.

How can I contact support?

Use the contact form or reach us via Instagram DMs @sera.peptides. We answer all DMs promptly.

What if my package arrives damaged?

Contact support immediately with your order info and photos. We'll resolve any issues quickly.

Do you offer bulk pricing?

Many products have tiered sizing. Orders $250+ receive free shipping. Contact us for institutional or bulk inquiries.

What payment methods do you accept?

We accept major payment methods for qualified researchers. Visit the shop or contact us for current options at checkout.