Peptide Perfection and QSC, side by side
The two ledgers differ on 3 of 8 checks. Peptide Perfection verifies where QSC does not on: third-party laboratory testing; certificates of analysis open to the public; certificates tied to a specific lot. Tally: Peptide Perfection 8 of 8, QSC 5 of 8.
Where the two files differ in detail
| Peptide Perfection | QSC | |
|---|---|---|
| Status at check | Operating | Operating |
| Location as stated | St. Petersburg, FL | Qingdao, Shandong |
| Founding year as stated | Not stated | 2008 |
| Laboratory named | Vanguard Laboratory | Janoshik Analytical Laboratories |
| Methods on the certificate | HPLC, MS, endotoxin, sterility | HPLC, MS |
| Payment methods | Not stated | crypto, wire |
| Ships abroad | No | Yes |
| Published contact | email, phone, street address | email, phone, street address |
| FDA warning letter | None on record | None on record |
Full files: Is Peptide Perfection legit? · Is QSC 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 Peptide Perfection8 of 8 · 8 of 8 checks verifiedA- Ascension Peptides vs Peptide Perfection8 of 8 · 8 of 8 checks verifiedB+
Paramount Peptides vs Peptide Perfection8 of 8 · 8 of 8 checks verifiedB+
Core Peptides vs Peptide Perfection8 of 8 · 8 of 8 checks verifiedB
Reader questions
Answered from the filePeptide Perfection or QSC: which file verifies on more checks?
Peptide Perfection verifies on 8 of 8 against 5. The two ledgers differ on 3 of 8 checks. Peptide Perfection verifies where QSC does not on: third-party laboratory testing; certificates of analysis open to the public; certificates tied to a specific lot. Tally: Peptide Perfection 8 of 8, QSC 5 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?
Peptide Perfection: yes, lot-specific yes. QSC: not verified, lot-specific not verified. "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.