Vendors carrying Semax. In-stock options first, sorted by price per milligram.
Methodology: how we rank.
| Rank | Vendor | Price | Per mg | Verified | Stock |
|---|---|---|---|---|---|
| #1 | $73.95 | $2.47 | — | In stock | |
| #2 | $63.00 | $2.52 | — | In stock | |
| #3 | $55.00 | $5.50 | — | In stock |
Some links are affiliate links. We may earn a commission at no extra cost to you. Sort: in-stock items first, then by lowest price per milligram.
✓ marks vendors with at least one independent third-party purity test for this peptide, aggregated from Finnrick Analytics. An em-dash means we have no third-party test on file — not that the product is untested.
Vial sizes vary across vendors. A 10mg vial at $90 is cheaper per milligram than a 5mg vial at $50. We normalize all listings to dollars per milligram so comparisons are apples-to-apples.