Vendor and compound
PT-141 from Vertex Labs
Vertex Labs has no PT-141 price recorded in this index. 1 third-party certificate for this compound from this vendor is on file, assayed by Freedom Diagnostics Testing, averaging 99.97% purity. The cheapest listed price for PT-141 anywhere in the index is $2.20 per mg at Eternal Peptides.
All PT-141 vendors · Vertex Labs profile · scores 55.4 of 100, rank 34 · 1 certificate for this compound · verified 28 Sept 2026
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 2608190845 | 25 Aug 2026 | 99.97% | 10 mg → 9.08 mg | Freedom Diagnostics Testing | Open |
Freedom Diagnostics Testing publishes a lookup, so these reports can be confirmed at the laboratory rather than taken from the vendor. How to check one.
Other vendors selling PT-141
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Origin Labs | 89.1 | — | 1 |
| Next Gen Peptides | 87.7 | $2.50 | 4 |
| Amino Club | 86.1 | $3.00 | 0 |
| Modern Aminos | 79.7 | $4.10 | 0 |
| Bench Grade Peptides | 79.4 | $4.60 | 2 |
| One Aminos | 78 | $6.00 | 1 |
| Simple Peptide | 77.2 | $4.50 | 1 |
| Koi Peptides | 75.1 | $4.00 | 0 |
Ordered by overall evidence score. See every vendor listing PT-141.
Questions
Is PT-141 from Vertex Labs third-party tested?
Yes. 1 certificate for PT-141 from Vertex Labs is on file, signed by Freedom Diagnostics Testing. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from. Freedom Diagnostics Testing also publishes a lookup, so the report can be confirmed at the laboratory rather than taken from the vendor.
Is Vertex Labs a good place to buy PT-141?
Vertex Labs scores 55.4 of 100 on the published rubric and ranks 34 overall, computed from its documentation rather than from opinion. For PT-141 specifically it has 1 certificate on file. Eternal Peptides lists it cheaper at $2.20 per mg.