#1 of 5 · 20 mg vial
peplogixpeptide.com
$125$6.25 /mg
44% below the 20 mg median
Storefront not yet profiled
View Semax peplogixpeptide.com
Semax 20 mg price
5 sellers, $6.25 to $11.3 per milligram, median $11.3, read 2026-09-26.
Moderate. At least one completed trial, and at least 100 people given it. 4 completed trials, 354 people given it.9 reported
Some seller links may pay this site when you buy through them. A payment never changes a seller's tier or rank, and no seller has a say in any page.
VialAll sizes 3252 mg 15 mg 589 mg 110 mg 18911 mg 212 mg 115 mg 420 mg 525 mg 1030 mg 2940 mg 250 mg 5100 mg 51000 mg 11500 mg 13000 mg 1
No lab-confirmed or tier A seller at 20 mg. Cheapest of all: peplogixpeptide.com at $6.25 per mg for 20 mg, tier C. Semax 20 mg median is $11.3 per mg across 5 sellers.
C
#2 of 5 · 20 mg vial
Huaian Hanyou Peptide$225$11.3 /mg
at the median the 20 mg median
Site says it tests; no certificate could be found
View Semax huaianhanyoupeptides.com
#3 of 5 · 20 mg vial
Lejian Biotech Peptide$225$11.3 /mg
at the median the 20 mg median
Site says it tests; no certificate could be found
View Semax lejianbiotechpeptides.com
#4 of 5 · 20 mg vial
MJA Peptides$225$11.3 /mg
at the median the 20 mg median
No testing claim and no certificate found
View Semax mjapeptides.com
#5 of 5 · 20 mg vial
ZL Peptides$225$11.3 /mg
at the median the 20 mg median
No testing claim and no certificate found
View Semax zlpeptides.com
5 of 5 offers at 20 mg, sorted tier first, then price per mg.
Week by week
Semax 20 mg was first read on 2026-09-26. Median $11.3 per milligram across 5 sellers. A week-by-week line appears after the next finished weekly walk. One week is a snapshot, not a history.
The figure is the same ungated market median the range on this page uses: every seller found. Certificate tier still ranks the cards. The purity gate is written and off, so this is not a tested-sellers-only series.
We never charge for knowledge. No vendor has a say in what a page says. Sellers are ranked by the certificate they publish, then by price. Every size of Semax · Laboratories named