Frequently asked questions

Every batch is analyzed by an independent third-party laboratory using HPLC for purity and mass spectrometry for identity. The full Certificate of Analysis for each batch is published in our public COA library.

Each vial is printed with a lot number. Search that lot number on our COA page to open the exact report for your batch. If you ever can't find a match, contact us and we'll send it.

99% or greater, as measured by HPLC. If a product doesn't meet the purity shown on its COA, you're entitled to a full refund for that product.

Before. We publish each batch's results before that batch ships, so you can review them before you order.

We accept major credit cards (Visa, Mastercard, American Express) and cryptocurrency. Additional options available for your order are shown at checkout.

Yes. Most products come in a single vial, a pack of 5 (10% off per vial) and a box of 10 (20% off per vial). The per-vial price is shown on every option.

Join our email list and you'll get 20% off your first order, plus restock alerts and new COA releases.

Orders placed before 12pm CT on a business day ship the same day. Standard delivery takes 3–5 business days and express 1–2 business days. Tracking is emailed as soon as the label is created.

Shipping is free on US orders over $100.

We currently ship within the United States only.

Orders ship in temperature-appropriate packaging via USPS or FedEx.

Contact us within 7 days of delivery with your order number and, if possible, photos. We'll send a replacement or a refund at no cost to you.

Opened or used research materials can't be returned, except under our purity guarantee. See the refund policy for full details.

Text or call +1 (312) 210-5030, or email support@racpeptides.com.

No. All products are sold strictly for in-vitro laboratory research. They are not intended for human or animal use, and are not drugs, supplements, or food.

Buyers must be 18 or older and agree to use products for lawful laboratory research only.

Storage guidance for each compound is on its product page, under the Storage tab.