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Semax / Selank vs Semax: prices, identity and regulatory status (2026)

Semax / Selank is a blend that includes Semax, so the two are compared as a blend and one of its listed components, not as substitutes: Semax / Selank is a blend of Semax and Selank; Semax is a 7-amino-acid peptide (C37H51N9O10S). Lowest current in-stock prices: Semax / Selank 10/10mg from $68.00 at Amino USA; Semax 10mg from $34.99 ($3.50/mg) at Nova Peptide Supply.

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All products listed are for research purposes only. Not for human consumption.

Semax / Selank vs Semax: current prices and packages

Compared propertySemax / SelankSemax
CategoryCognitiveCognitive
Compared package10/10mg · Vial10mg · Vial
Lowest current price$68.00 at Amino USA, checked Oct 31, 2026$34.99 at Nova Peptide Supply, checked Oct 31, 2026
Price per labelled mgExact package total only$3.50/mg
Package sizes5/5mg, 10/10mg, 15/15mg5mg, 10mg, 25mg, 30mg, 50mg
Vendors with current prices14 (6 tracked)
Form at this packageVialVial
StockIn stockIn stock

Prices exclude shipping. The price per labelled mg is always given per mg, so different package sizes compare directly; it is shown only for single-compound vials and powders with a labelled mass. Blends, capsules, liquids and IU-labelled packages are compared by package total.

Identity, regulatory status and registered research

Compared propertySemax / SelankSemax
Molecular formulaBlend: Semax, SelankC37H51N9O10S
Molecular weight—813.9 g/mol
Sequence—H-Met-Glu-His-Phe-Pro-Gly-Pro-OH (7 residues)
CAS Registry Number—80714-61-0
Registered clinical trialsNone recordedNone recorded
Human intervention studiesNone recorded4
US regulatory statusNo reviewed Drugs@FDA recordNo reviewed Drugs@FDA record

Identity data: PubChem, FDA GSRS and EPA records; registry counts: ClinicalTrials.gov; status: Drugs@FDA. A matching name does not verify the contents of a supplier's lot.

Key human studies

Semax / Selank

No human intervention study is recorded in the research library for this identity.

Semax / Selank research profile →

Studies are listed as records, newest first; they are not evidence that a research product is safe or effective.

Where to buy each compound

Semax / Selank

Semax / Selank is recorded as a blend in the catalogue. A review of the exact combination, ingredient amounts and formulation has not yet been completed.

$68.00 · 10/10mg · Amino USA

View at Amino USA, Semax / Selank 10/10mg, opens in a new tabPeptideTech does not sell or fulfill products. Some outgoing links can earn a commission, which does not determine price order. How we rankSemax / Selank prices →Price history →

Semax

Semax is a catalogue entry whose compound-specific reference review has not yet been completed.

$34.99 · 10mg · $3.50/mg · Nova Peptide Supply

View at Nova Peptide Supply, Semax 10mg, opens in a new tabPeptideTech does not sell or fulfill products. Some outgoing links can earn a commission, which does not determine price order. How we rankSemax prices →Price history →

Questions

A price per labelled mg needs a single-compound vial or powder with a labelled mass, and Semax / Selank 10/10mg is a blend of several compounds, so the two are not compared per mg. Semax 10mg works out at $3.50/mg. Current package totals: Semax / Selank 10/10mg from $68.00 at Amino USA; Semax 10mg from $34.99 at Nova Peptide Supply. Different packages and forms are not directly comparable.

Compare another pair

Opens a side-by-side page with current prices, the price per labelled mg where a single-compound mass is listed, sizes, identity data and regulatory status. The products are not interchangeable.

How we verify prices

Automated price sources are scheduled daily; other sources are checked manually. Check the offer's last successful source timestamp. A code is shown when it is attached to an offer or affiliate link. The displayed price includes a discount only when that code is cart-verified and the discounted price is explicitly recorded; otherwise it is the vendor's listed price. Prices exclude shipping. Stock status is captured at the same time. Rankings are by displayed price, except that the labelled featured partner, LA Peptides, is pinned first; “Cheapest” always marks the lowest price. PeptideTech earns a commission when you buy through a link.

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