Direct answer
Is Zeptix Labs legit?
Yes. Zeptix Labs is an operating United States research-material storefront. We rate Zeptix Labs 8.5/10. PeptidePrices reviewed the vendor's complete public certificate archive of 15 documents, and every one matched the issuing laboratory's own record: nine Accumark Labs reports through the public AccuVerify portal, including heavy-metal and fentanyl panels on some lots, and six Freedom Diagnostics reports on the laboratory's own PDFs. Thirteen current product-and-strength rows receive exact certificate controls. Eligible products run a Buy 1 Get 1 Free promotion, the store accepts the major card and wallet methods, and it advertises free shipping over $200 with 2-day expedited delivery. No independent review record exists for the domain, and five in-stock strengths carry no certificate.
Evidence summary
What PeptidePrices found
We rate Zeptix Labs 8.5/10. Its certificate archive is complete and issuer-checked: all 15 published documents matched the laboratory's own record across Accumark Labs and Freedom Diagnostics, 13 current product-and-strength rows receive exact controls, and several lots add biosafety and heavy-metal panels.
The review record, not the testing, caps the score. Trustpilot removed the exact-domain profile, the domain dates from April 2026, and five in-stock strengths carry no certificate. The manual payment review step and the 5 mg COA-card label on a 10 mg BPC-157 document stay disclosed.
01Complete issuer-checked archive
PeptidePrices reviewed Zeptix Labs' complete public certificate archive of 15 documents, and every document matched the issuing laboratory's own record. Nine Accumark Labs reports matched the laboratory's AccuVerify records for report id, client, batch or lot, identity, purity, and quantity. Six Freedom Diagnostics reports resolve to the laboratory's own PDFs: four are byte identical to the laboratory file, and two vendor re-saves match the laboratory's printed text on every page. Both the vendor page and the laboratory records name Zeptix Labs as the client. Every report carries identity by LC-MS or HPLC and a purity result, nine also carry measured quantity, and selected lots add endotoxin, sterility, heavy-metal, or fentanyl results. Thirteen current product-and-strength rows receive an exact certificate control. Five in-stock strengths have none: Ipamorelin 5 mg, Melanotan-2 10 mg, Semaglutide 10 mg, Tirzepatide 10 mg, and Retatrutide 30 mg.
Review record
Zeptix Labs has no independent review record. Trustpilot states that the exact-domain profile for zeptixlabs.com was removed for going against Trustpilot's guidelines, and it publishes no rating, review count, or review text for the domain. The domain was registered on April 22, 2026, and PeptidePrices found no other independent review record on September 20, 2026. The certificate archive is the vendor's strong side; the absent review record is why the reputation factor is 6/10.
Catalog, promotion, and dispatch terms
The live shop exposed 20 comparison rows across 15 product pages, and 18 were in stock. Listed prices are one vial. Eligible products run Buy 1 Get 1 Free through the vendor's own automatic code, and orders of 10 or more vials take a further 10% off. Code PP15 takes 15% off, the two offers combine to 57.5% off the regular price of two eligible products, and the vendor states no single-item discount. Product pages advertise same-day dispatch before 6 PM Eastern, 2-day expedited delivery, free shipping over $200, and support replies within 24 hours, and they show Visa, Mastercard, American Express, and Apple Pay. Orders wait for manual payment review.
Company disclosure and rating
The storefront publishes Zeptix Labs LLC, 7901 4th St N STE 300, St. Petersburg, FL 33702, a support email, and an Instagram profile. It also publishes terms of service, disclaimers, a research-use disclaimer, and a refund policy that makes sales final after shipment. Public ICANN RDAP dates zeptixlabs.com to April 22, 2026. PeptidePrices set the factor scores on September 20, 2026: COA practices 9, reputation 6, transparency 9, and operations 9, a weighted result of 8.4 published as 8.5. Affiliate status carries no score weight.
DetailsShips toUnited States only
Payment methodsVisaMastercardAmerican ExpressApple Pay
Purity15 of 15 published certificates matched official issuer records: 6 Freedom Diagnostics PDFs and 9 Accumark Labs AccuVerify records
ShippingProduct pages advertise same-day dispatch before 6 PM Eastern, 2-day expedited delivery, free shipping over $200, and support replies within 24 hours. Orders wait for manual payment review. Eligible products run Buy 1 Get 1 Free through the vendor's own automatic code, and listed prices are one vial.
ReputationChecking PeptidePrices reader reviews…Independent external review aggregate not established yet.
