★★★★★4.9 · 2,400+ reviews·Ships within 20 hours·HPLC, mass spectrometry, heavy metals (ICP-MS), and endotoxin verified
PeptoraX vs Peptide Sciences
Peptide Sciences is one of the largest research peptide catalogs online. PeptoraX competes on documentation, packaging, and turnaround rather than catalog size.
| PeptoraX | Peptide Sciences | |
|---|---|---|
| Purity verification | HPLC, mass spectrometry, heavy metals (ICP-MS), and endotoxin verified | HPLC purity testing published for select lots |
| Third-party lab | Janoshik and other independent laboratories | Independent laboratory testing referenced on site |
| Certificate of Analysis | Lot-matched CoA included with every order | CoA published per batch on the vendor website |
| Cold chain shipping | Insulated mailer with frozen gel pack on every order, year round | Cold packaging policy varies by order and season |
| Fulfillment | Ships within 20 hours (in-stock items) | Published handling times vary |
| Lab supplies | Gloves, reconstitution kits, storage trays, organizers, cold chain boxes | Limited supply catalog |
| Support | Direct call/text +1 (305) 699-2834 and hello@peptoraxlab.com | Email or ticket-based support |
- PeptoraX keeps a focused catalog so each lot can be documented and cold-chain shipped consistently.
- In-stock PeptoraX orders leave the facility within 20 hours.
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.
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.