PepAssess

Peptide S PT-141

Evidence Score 77/100 · 2 of 7 PT-141 lab reports confirmed by the issuing lab

As of October 2, 2026, Peptide S lists PT-141 in 5, 10, 17.5, 30 mg from $30. Its best price works out to $3.50/mg, 20% below the typical $4.40/mg for PT-141. It publishes 7 PT-141 lab reports; 2 are confirmed in the issuing lab's own records, the newest dated September 17, 2026. Its confirmed reports cover purity testing (HPLC and mass spec).

PT-141 lab reports confirmed by the issuing lab

  • September 17, 2026Freedom Diagnosticslot 26251001purity, identityview report ↗
  • September 17, 2026Freedom Diagnosticslot 26251001purity, identityview report ↗

5 more PT-141 reports published by Peptide S aren't matched to a lab's records yet.

PT-141 price at Peptide S

From
$30
Best per mg
$3.50/mg
Typical per mg
$4.40/mg
Sizes
5, 10, 17.5, 30 mg

From Peptide S's own store, as of October 2, 2026; shipping and discounts not included.

Other PT-141 sellers with lab-confirmed reports

Peptide S PT-141 questions

Is Peptide S's PT-141 lab tested?

Yes. As of October 2, 2026, Peptide S publishes 7 PT-141 lab reports, and PepAssess matched 2 to the issuing lab's own records (Freedom Diagnostics). The newest confirmed report is dated September 17, 2026.

How much is PT-141 at Peptide S?

From $30 (5, 10, 17.5, 30 mg); its best price works out to $3.50/mg against a typical $4.40/mg, as of October 2, 2026. Prices come from Peptide S's own store and exclude shipping and discounts.

Is there a Peptide S coupon code for PT-141?

PepAssess has no confirmed Peptide S code as of October 2, 2026. PT-141 sellers with lab-confirmed reports and a code: BioLongevity Labs, PEPASSESS (15% off).

Who else sells lab-tested PT-141?

As of October 2, 2026, the highest-scoring PT-141 sellers with a lab-confirmed report, besides Peptide S: Solyn (90/100, 2 confirmed), Direct Peptides (89/100, 4 confirmed) and Panda Peptides (88/100, 4 confirmed).