★★★★★4.9 · 2,400+ reviews·Ships within 20 hours·HPLC, mass spectrometry, heavy metals (ICP-MS), and endotoxin verified
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PeptoraX vs Core Peptides

Core Peptides is often mentioned alongside PeptoraX for metabolic research compounds. The deciding factor for most labs is verification: PeptoraX tests every lot for purity, heavy metals, and endotoxins and posts results publicly, so nothing ships without a paper trail.

PeptoraXCore Peptides
Purity verificationHPLC, mass spectrometry, heavy metals (ICP-MS), and endotoxin verifiedHPLC purity testing published for select lots
Third-party labJanoshik and other independent laboratoriesIndependent laboratory testing referenced on site
Certificate of AnalysisLot-matched CoA included with every orderCoA published per batch on the vendor website
Cold chain shippingInsulated mailer with frozen gel pack on every order, year roundCold packaging policy varies by order and season
FulfillmentShips within 20 hours (in-stock items)Published handling times vary
Lab suppliesGloves, reconstitution kits, storage trays, organizers, cold chain boxesLimited supply catalog
SupportDirect call/text +1 (305) 699-2834 and hello@peptoraxlab.comEmail or ticket-based support
  • PeptoraX pairs each shipment with a lot-matched CoA so material can be traced to its analysis.
  • Direct phone and text support is available for PeptoraX research customers.

Comparison details reflect publicly available information at the time of writing and may change. Company and product names are the trademarks of their respective owners. All PeptoraX products are supplied for in-vitro laboratory research use only.

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FOR RESEARCH USE ONLY. Not for human or veterinary consumption, diagnostic, or therapeutic use. PeptoraX products are sold strictly for in-vitro laboratory research by qualified personnel.