Frequently Asked Questions

Browse our shop, add items to your cart, and proceed to checkout. Select your preferred payment method and shipping option, and you're all set.

We accept cryptocurrency via Coinbase Commerce (Bitcoin, Ethereum, Litecoin, and more) and Zelle. Pay with Zelle and receive a 5% discount on your order.

Not currently. We ship within the United States only. We're exploring international shipping options for the future.

All orders ship the next business day. Standard shipping takes 3–5 business days ($9.99). Expedited shipping ($19.99) gets your order there faster.

Yes! All orders over $150 qualify for free standard shipping.

Orders $50 and above include complimentary bacteriostatic water for peptide reconstitution.

All of our peptides are ≥98% purity, verified through independent third-party laboratory testing (HPLC & Mass Spectrometry).

Yes. COAs are available for every product we sell. Email support@prcpeptides.com to request the COA for any specific product.

Lyophilized (powder) peptides: Store in the freezer at -20°C for long-term storage, or in the refrigerator at 2–8°C for short-term use.

Reconstituted peptides: Refrigerate at 2–8°C and use within 30 days for best results.

We've put together a detailed step-by-step guide: How to Reconstitute Peptides. It covers everything you need to know, including calculating dosages.

Bacteriostatic water is sterile water that contains 0.9% benzyl alcohol as a preservative. It's the standard solvent used to reconstitute lyophilized peptides and helps prevent bacterial contamination.

We accept returns within 14 days for unopened, undamaged products. For items that arrived damaged, just send us a photo along with your order number — no need to ship anything back. We'll make it right.

Email support@prcpeptides.com with a photo of the damage and your order number. We'll take care of it — no need to return the damaged item.

We're sorry about that. Email support@prcpeptides.com with your order number and we'll resolve it as quickly as possible.

No. All products sold by PRC Peptides are for laboratory research purposes only. They are not intended for human consumption, diagnostic use, or therapeutic applications.

Yes. University laboratories, research institutions, and biotech companies may request purchase order terms. Please contact support@prcpeptides.com with your institution's tax ID and purchasing department contact information.

Yes. For bulk or wholesale inquiries, email support@prcpeptides.com with details about the products and quantities you're interested in.