American Research Pens and Pure Peptide Labs, side by side
The two ledgers differ on 4 of 8 checks. Pure Peptide Labs verifies where American Research Pens does not on: third-party laboratory testing; certificates of analysis open to the public; certificates tied to a specific lot; testing laboratory named. Tally: American Research Pens 4 of 8, Pure Peptide Labs 8 of 8.
Is American Research Pens legit?
americanresearchpens.com · operating
Where the two files differ in detail
| American Research Pens | Pure Peptide Labs | |
|---|---|---|
| Status at check | Operating | Operating |
| Location as stated | US | Cedar Park, TX |
| Founding year as stated | Not stated | 2024 |
| Laboratory named | None | Freedom Diagnostics, Kovera Labs, MDx BioAnalytical Laboratory, Precision Mass Spec |
| Methods on the certificate | HPLC, MS, endotoxin, sterility | MS, endotoxin |
| Payment methods | card, wire, ach, e-check, crypto | card, ach |
| Ships abroad | No | No |
| Published contact | email, phone | phone, street address |
| FDA warning letter | None on record | None on record |
Full files: Is American Research Pens legit? · Is Pure Peptide Labs legit? · pick two other names. Both companies sell material labeled for laboratory research use only; this page compares their paperwork and nothing else.
Other pairings with these files
All pairings
Licensed Peptides vs Pure Peptide Labs8 of 8 · 8 of 8 checks verifiedA- Ascension Peptides vs Pure Peptide Labs8 of 8 · 8 of 8 checks verifiedB+
Paramount Peptides vs Pure Peptide Labs8 of 8 · 8 of 8 checks verifiedB+
Peptide Perfection vs Pure Peptide Labs8 of 8 · 8 of 8 checks verifiedB+
Reader questions
Answered from the fileAmerican Research Pens or Pure Peptide Labs: which file verifies on more checks?
Pure Peptide Labs verifies on 8 of 8 against 4. The two ledgers differ on 4 of 8 checks. Pure Peptide Labs verifies where American Research Pens does not on: third-party laboratory testing; certificates of analysis open to the public; certificates tied to a specific lot; testing laboratory named. Tally: American Research Pens 4 of 8, Pure Peptide Labs 8 of 8. We do not declare a winner; the ledgers are printed so you can weigh the gaps yourself.
Do both publish a certificate anyone can open?
American Research Pens: not verified, lot-specific not verified. Pure Peptide Labs: yes, lot-specific yes. "Not verified" means we could not open such a document without an account or an order.
Why is there no price row?
Price carries no weight on this desk and does not appear in a ledger. A discount does not make an unverified certificate any more verifiable. The listed price position for each supplier sits in the source record on its own file.