Frequently Asked Questions

All our peptides are manufactured to 99%+ purity standards. Each batch undergoes HPLC and Mass Spectrometry analysis. Certificates of Analysis (COA) are provided for every order.

Yes, our products are intended exclusively for research and laboratory use in certified facilities. They are not for human consumption, veterinary use, or therapeutic applications.

Lyophilized peptides should be stored at -20C for long-term storage. Reconstituted peptides should be refrigerated at 4C and used within a reasonable timeframe. Protect from light and moisture.

The quality remains consistent across all dosage options. The only difference is the quantity. Larger orders typically offer better per-milligram pricing for extended research projects.

We accept major credit cards (Visa, MasterCard), cryptocurrency (Bitcoin, Ethereum), and bank transfers through secure, encrypted payment gateways.

Orders can be modified or cancelled within 1 hour of placement. After this window, orders enter our fulfillment process and cannot be changed.

Yes, we offer competitive bulk pricing. Contact our sales team at peptidesexpress@proton.me for custom quotes.

Domestic orders arrive within 3-5 business days. International shipping takes 7-14 business days. Express options are available at checkout.

Yes, all orders are shipped in plain, unmarked packaging with no indication of contents.

We ship worldwide to most countries. International customers are responsible for compliance with local import regulations.

All shipments include tracking and insurance. Contact our support team with photographic evidence for a replacement or refund.