Vendor and compound
Semax from Bench Grade Peptides
Bench Grade Peptides lists Semax at $5.40 per mg, 32% over the $4.10 peer median. 2 third-party certificates for this compound from this vendor are on file, assayed by AV Analytics and Freedom Diagnostics Testing, averaging 99.16% purity. The cheapest listed price for Semax anywhere in the index is $1.67 per mg at GenX Peptides.
All Semax vendors · Bench Grade Peptides profile · scores 86.8 of 100, rank 6 · 2 certificates for this compound · verified 15 Sept 2026
What it costs
| Vial | Listed price | Per mg | vs peer median | Listing |
|---|---|---|---|---|
| 10 mg | $54 | $5.40 | +32% | Semax |
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 |
|---|---|---|---|---|---|
| 00011/0011 | 3 Sept 2026 | 99.77% | 10 mg → 10.14 mg | AV Analytics | Open |
| SEMX12222025-J | 24 Dec 2025 | 98.541% | 10 mg → 11.01 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 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 |
| Polaris Peptides | 86.6 | $4.00 | 1 |
| 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 Bench Grade Peptides third-party tested?
Yes. 2 certificates for Semax from Bench Grade Peptides are on file, signed by AV Analytics and 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 Semax cost at Bench Grade Peptides?
$5.40 per milligram, from 10 mg at $54. The peer median across every vendor we price for Semax is $4.10 per mg, so this is +32% against the market. Prices are normalised per milligram so vials of different sizes compare fairly.
Is Bench Grade Peptides a good place to buy Semax?
Bench Grade Peptides scores 86.8 of 100 on the published rubric and ranks 6 overall, computed from its documentation rather than from opinion. For Semax specifically it has 2 certificates on file. GenX Peptides lists it cheaper at $1.67 per mg.