Live price comparison
Cheapest N-Acetyl Semax right now
$0.840/mg at PeptidologyPremium, the lowest of 12 vendors we track. The dearest is $5.00/mg — 6.0× the price for the same milligram. Last checked September 18, 2026.
| # | Vendor | Price / mg | Rating | |
|---|---|---|---|---|
| 1 | PeptidologyPremium Cheapest Online store | $0.840 | — | Visit |
| 2 | Online store | $1.80 | — | Visit |
| 3 | Online store COA | $1.83 | 3.2Rated 3.2 out of 5 | Visit |
| 4 | Online store | $2.20 | — | Visit |
| 5 | Online store COA | $2.28 | 4.9Rated 4.9 out of 5 | Visit |
| 6 | Online store COA | $2.32 | 4.4Rated 4.4 out of 5 | Visit |
| 7 | Online store COA | $2.40 | 4.8Rated 4.8 out of 5 | Visit |
| 8 | Online store | $2.83 | — | Visit |
| 9 | Online store | $3.86 | — | Visit |
| 10 | Online store | $4.00 | — | Visit |
| 11 | Online store COA | $4.20 | 4.9Rated 4.9 out of 5 | Visit |
| 12 | Online store | $5.00 | — | Visit |
Prices checked — the newest verification among the vendors shown; individual rows may be older. What “checked” means.
Prices are cost per milligram, normalised for comparison, and may be out of date — always confirm on the vendor’s own site before ordering. Some outbound links are affiliate links and never affect our rankings or ratings. Wholesale suppliers are quote-based and priced per mg at indicative bulk rates.