Vendor and compound
Semax from Polaris Peptides
Polaris Peptides lists Semax at $4.00 per mg, 2% under the $4.10 peer median. 1 third-party certificate for this compound from this vendor is on file, assayed by TrustPointe Analytics LLC, averaging 99.72% purity. The cheapest listed price for Semax anywhere in the index is $1.67 per mg at GenX Peptides.
All Semax vendors · Polaris Peptides profile · scores 86.6 of 100, rank 7 · 1 certificate for this compound · verified 1 Aug 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $40 | $4.00 | -2% | N-Acetyl Semax Amidate 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 |
|---|---|---|---|---|---|
| POL-S5-7 | 21 Jan 2025 | 99.718% | 5 mg → 6.42 mg | TrustPointe Analytics LLC | Open |
Other vendors selling Semax
| Vendor | Score | Per mg | Certificates for this compound |
|---|---|---|---|
| Next Gen Peptides | 93.8 | $3.50 | 1 |
| Ascend Science | 90.1 | $4.50 | 1 |
| Amino Club | 88.3 | $3.00 | 0 |
| Modern Aminos | 88.1 | $4.20 | 2 |
| Origin Labs | 87.7 | — | 1 |
| Bench Grade Peptides | 86.8 | $5.40 | 2 |
| PeptidePlugs | 86.3 | $4.00 | 4 |
| Simple Peptide | 84.9 | $5.50 | 1 |
Ordered by overall evidence score. See every vendor listing Semax.
Questions
Is Semax from Polaris Peptides third-party tested?
Yes. 1 certificate for Semax from Polaris Peptides is on file, signed by TrustPointe Analytics LLC. Each names a lot, prints the assayed mass against the labelled mass, and links to the document it was read from.
How much does Semax cost at Polaris Peptides?
$4.00 per milligram, from 10 mg at $40. The peer median across every vendor we price for Semax is $4.10 per mg, so this is -2% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Polaris Peptides a good place to buy Semax?
Polaris Peptides scores 86.6 of 100 on the published rubric and ranks 7 overall, computed from its documentation rather than from opinion. For Semax specifically it has 1 certificate on file. GenX Peptides lists it cheaper at $1.67 per mg.