Is ZC Labs Legit? — July 2026

Myrtle Beach, SCVisit ZC Labs ↗ · 20% off

ZC Labs is a trusted vendor with a quality score of 8.5/10. Based on independent analysis of COA practices, community reputation, and transparency, they meet our standards.

We may earn a commission from purchases through links on this page, at no extra cost to you. ZC Labs cannot edit or approve this review, and affiliate status is not a scoring factor.

8.5/10
Trusted
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Independently fact-checked

8.5/10Quality rating
18SKUs in catalog
20%Reader discount

How the score breaks down

ZC Labs scored across our four rubric factors — COA practices (40%), reputation, transparency, and operations (20% each).

COA practices 40%10/10
Reputation 20%6/10
Transparency 20%7/10
Operations 20%9/10

Weighted factor result: 8.4/10. The published score follows the weighted result after rounding.

Trust signals

At a glance

COA availablePublic, dedicated page
Lab testedThird-party verified
US-basedShips within the US
Credit cardsAccepted at checkout
Review volume0 aggregated

COA & lab verification

COA ✓Third-party testedView ZC Labs's COA page ↗

ZC Labs publishes Freedom Diagnostics reports for all 20 current research product groups. Each portal entry includes a product, strength, lot number, purity result, measured content, report date, lab name, accession number, and a PDF link. PeptidePrices inspected the ZC-RT 15mg report for lot ZC-RT15-101. It confirms identity by LC-MS, reports 99.89% HPLC-UV purity, and measures 16.28mg. The report includes search code ZCLa2606080081. The sampled panel does not include endotoxin, sterility, or heavy-metals results. Match the report to the exact lot received. Affiliate status does not influence the rating.

Verify ZC Labs's COA yourself →Opens our free COA Authenticity Checker with their certificate pre-loaded.

Our verdict on ZC Labs

ZC Labs has a strong public certificate program for a new vendor. Every current research product group has a named-lab report, and the sampled report was lot-specific.

The company is new and does not yet have a mature independent review record. Direct owner communication was responsive and professional. Match the report to the exact lot and read the return terms before payment. Code peptideprices gives customers 20% off.

More about 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.

ZC Labs — pros & cons

Strengths

  • Public Freedom Diagnostics reports for all 20 current research product groups
  • Sampled report includes identity, purity, measured content, lot number, and a lab search code
  • Direct owner communication was responsive and professional
  • Public Zc Labs LLC name, support email, and Myrtle Beach mailing address
  • Free USPS Priority shipping to all 50 US states
  • Published 1–3-business-day processing target and 30-day return policy for eligible unopened products
  • Customer code peptideprices gives 20% off

Watch-outs

  • The domain was registered in May 2026, so the company has a short public operating history
  • No mature independent review profile was found during the July 2026 review
  • The public address is a PO box, not a disclosed laboratory or fulfillment site
  • The sampled Freedom report covers identity, purity, and content but not endotoxin, sterility, or heavy metals
  • Returns require approval, and the vendor can charge a restocking fee of up to 15%

Payment methods & shipping

Ships toAll 50 United States
Payment methods
Credit/debit card
PurityPublic Freedom Diagnostics reports for all current research product groups
ShippingFree USPS Priority shipping. Orders usually process in 1–3 business days, followed by an estimated 1–3 business days in transit. Unopened and unused products can qualify for a return within 30 days.

How we rate vendors

Our quality scores are based on a weighted rubric: 40% COA practices (named third-party lab, batch linkage, public availability), 20% community reputation, 20% transparency, and 20% operations. We are independently owned; affiliate status is not a scoring factor.

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PeptidePrices is independently owned and participates in ZC Labs's affiliate program. We may be paid for qualifying purchases through our links. ZC Labs cannot edit or approve this review, and the relationship does not add points to its score.

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