Frequently Asked Questions

Find answers to common questions about our products and services.

What are your products used for?

All 123 Peptides products are strictly intended for in vitro laboratory research purposes only. They are not for human or animal consumption, therapeutic use, or diagnostic purposes.

Yes. Every product batch comes with a publicly accessible Certificate of Analysis from an independent third-party laboratory. COAs are available on each product detail page.

We accept major credit cards, debit cards, and other standard online payment methods. All transactions are processed securely.

Orders typically ship within 1–2 business days. Standard domestic delivery is 3–5 business days. Expedited options may be available at checkout.

Due to the nature of research-grade compounds, we cannot accept returns on opened products. Unopened items may be returned within 30 days of purchase. Please contact our support team for assistance.

Lyophilized (freeze-dried) peptides should be stored at -20°C or below for long-term storage. Reconstituted peptides should be refrigerated at 2–8°C and used within the recommended timeframe.

Currently we ship within the United States. International shipping may become available in the future. Please check back or contact us for updates.

Visit our Affiliate Program page and submit an application. Our team will review your application and respond within a few business days.