Library / Blends / Semax + Selank

Nootropic pair · often nasal

Semax + Selank

Blend

ClassTwo-peptide CNS blend
Typical routes in papersIntranasal in citations
Half-life contextShort
EvidenceEach has a Russian clinical tradition; the combo vial is a shop convenience

What it is

A two-vial or co-mixed pair of Semax and Selank. Semax is the “focus / brain-stamina” ACTH fragment. Selank is the “calm without a nap” tuftsin analog. Sold together because people want both tones in one morning.

Benefits in plain language

What researchers and reference users usually mean when they talk about this compound. These are study themes and common claims — not a promise that it will do this in you.

If a branded, FDA-approved product exists, that label is the only dose that is actually authorized. Research-chemical vials are a different object.

Mechanism of action

Semax: BDNF / monoamine talk. Selank: tuftsin, GABA/enkephalin themes. Complementary marketing, not a published receptor heterodimer.

Possible side effects / caveats

Nasal sting, overstimulation if Semax is high, flattening if Selank is high. Hard to tell which one did it in a mix.

Protocol ranges

Source tierAmountFrequency / durationNotes
Common pairing200–600 mcg class of each1–2× nasalCommunity
See alsoSemax, Selank, NA-Semax, NA-SelankSolo pages
Numbers below and above are literature or community pointers, not a treatment plan. Approved products, when they exist, follow the official label — not a research vial.