Vendor and compound
PE-22-28 from PeptidePlugs
PeptidePlugs lists PE-22-28 at $4.00 per mg, 26% under the $5.40 peer median. 2 third-party certificates for this compound from this vendor are on file, assayed by Freedom Diagnostics Testing, averaging 99.67% purity. That is the cheapest listed price for PE-22-28 in the index.
All PE-22-28 vendors · PeptidePlugs profile · scores 82.6 of 100, rank 5 · 2 certificates for this compound · verified 5 Nov 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $40 | $4.00 | -26% | PE-22-28 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.
What the laboratory found
| Lot | Assayed | Purity | Label → assayed | Laboratory | Record |
|---|---|---|---|---|---|
| 135-01-ZB | 12 Aug 2026 | 99.63% | 10 mg → 9.88 mg | Freedom Diagnostics Testing | Open |
| 129-01-SM | 15 Jun 2026 | 99.72% | 10 mg → 9.64 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 PE-22-28
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Modern Aminos | 79.7 | $5.40 | 0 |
| Simple Peptide | 77.2 | $7.20 | 0 |
| GenX Peptides | 63.4 | $5.00 | 0 |
| Biotech Peptides | 59.1 | $6.88 | 0 |
Ordered by overall evidence score. See every vendor listing PE-22-28.
Questions
Is PE-22-28 from PeptidePlugs third-party tested?
Yes. 2 certificates for PE-22-28 from PeptidePlugs are 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.
How much does PE-22-28 cost at PeptidePlugs?
$4.00 per milligram, from 10 mg at $40. The peer median across every vendor we price for PE-22-28 is $5.40 per mg, so this is -26% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is PeptidePlugs a good place to buy PE-22-28?
PeptidePlugs scores 82.6 of 100 on the published rubric and ranks 5 overall, computed from its documentation rather than from opinion. For PE-22-28 specifically it has 2 certificates on file.