$/mg over time

Median $/mg Lowest $/mg

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Current vendor listings · sorted by $/mg

Show topical / cosmetic listings

Vendor	$/mg	Total (USD)	Package	30d change	Flags

Semax — $/mg price comparison across vendors

Class: Nootropic peptide

A synthetic peptide derived from a fragment of ACTH, studied in preclinical research as a nootropic/cognitive-research compound.

Price index: lowest $1.0327/mg · median $4.5223/mg · 136 vendors · as of 2026-09-03 (prices ex-shipping, refreshed nightly).

Cheapest listing: Behemothlabz at $1.0327/mg (30mg vial), $30.98, as of 2026-09-03. Listed price only, ex-shipping; inclusion is a statement about price data, never an endorsement.

Current vendor listings, cheapest $/mg first
Vendor	$/mg	Total (USD)	Package
Behemothlabz	$1.0327/mg	$30.98	30mg vial
Peptide	$1.15/mg	$230.00	200mg vial
Peptide	$1.35/mg	$135.00	100mg vial
Peptide	$1.5/mg	$60.00	40mg vial
Imperialpeptides	$1.5663/mg	$46.99	30mg vial
Genx	$1.6667/mg	$50.00	30mg vial
Purerxpeptides	$1.8/mg	$18.00	10mg vial
alphabiomedlabs.com	$1.9333/mg	$58.00	30mg vial
Peptidesworld	$1.9667/mg	$59.00	30mg vial
Anabolicpharmacist To	$2/mg	$600.00	300mg vial
Peptide Works	$2.0143/mg	$60.43	30mg vial
Corepeptidesdirect	$2.0997/mg	$62.99	30mg vial
Orosresearch	$2.1663/mg	$64.99	30mg vial
Paramountpeptides	$2.2667/mg	$68.00	30mg vial
Biotechpeptides	$2.28/mg	$57.00	25mg vial

Research use only. Publicly listed vendor prices normalized to $/mg, ex-shipping, updated nightly. Not medical advice, not a recommendation to purchase.