ZC Labs

ZC Labs is a US research vendor operated by Zc Labs LLC. The domain was registered on May 4, 2026. The site publishes a Myrtle Beach PO box and a support email. It offers free USPS Priority shipping to all 50 states. Orders usually process in 1–3 business days.

The public COA portal is the strongest trust signal. It lists Freedom Diagnostics reports for all 20 current research product groups. PeptidePrices inspected the ZC-RT 15mg report for lot ZC-RT15-101. The report confirms identity, shows 99.89% purity, and measures 16.28mg. It includes the Freedom search code ZCLa2606080081. The report does not show endotoxin, sterility, or heavy-metals results.

ZC Labs receives 8.5/10. The complete named-lab COA program, clear operating terms, and responsive owner communication support the score. The short operating history and limited independent review record remain caveats. Eligible unopened products can qualify for a return within 30 days. The vendor can charge a restocking fee of up to 15%. Code peptideprices gives customers 20% off. Affiliate status does not affect the rating.