Vendor and compound
PT-141 from Next Gen Peptides
Next Gen Peptides lists PT-141 at $2.50 per mg, 44% under the $4.50 peer median. 4 third-party certificates for this compound from this vendor are on file, assayed by ILS Laboratories, averaging 99.84% purity. The cheapest listed price for PT-141 anywhere in the index is $2.20 per mg at Eternal Peptides.
All PT-141 vendors · Next Gen Peptides profile · scores 87.7 of 100, rank 2 · 4 certificates for this compound · verified 5 Nov 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $24.99 | $2.50 | -44% | PT-141 10MG |
Read from the vendor’s own store and normalised per milligram, because a smaller vial at a lower sticker price is usually the dearer peptide. Codepepindex· 10% off applies at checkout.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| pt10-04 | 23 Sept 2026 | 99.93% | 10 mg → 10.4 mg | ILS Laboratories | Open |
| PT10-03 | 3 Sept 2026 | 99.52% | 10 mg → 10.22 mg | ILS Laboratories | Open |
| pt10-1640 | 25 Jun 2026 | 99.97% | 10 mg → 10.64 mg | ILS Laboratories | Open |
| PT10-1639 | 16 Apr 2026 | 99.95% | 10 mg → 10.49 mg | ILS Laboratories | Open |
ILS Laboratories 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 |
| 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 |
| NeuroLabs Research | 74.6 | $7.19 | 0 |
Ordered by overall evidence score. See every vendor listing PT-141.
Questions
Is PT-141 from Next Gen Peptides third-party tested?
Yes. 4 certificates for PT-141 from Next Gen Peptides are on file, signed by ILS Laboratories. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from. ILS Laboratories also publishes a lookup, so the report can be confirmed at the laboratory rather than taken from the vendor.
How much does PT-141 cost at Next Gen Peptides?
$2.50 per milligram, from 10 mg at $24.99. The peer median across every vendor we price for PT-141 is $4.50 per mg, so this is -44% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Next Gen Peptides a good place to buy PT-141?
Next Gen Peptides scores 87.7 of 100 on the published rubric and ranks 2 overall, computed from its documentation rather than from opinion. For PT-141 specifically it has 4 certificates on file. Eternal Peptides lists it cheaper at $2.20 per mg.