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Multi-peptide blend · 2 components

Selank + Semax: inside the blend

30mg vial combining the heptapeptides Selank and Semax.

Multi-Peptide BlendsUpdated 2026-11-09

Per-vial contents

Combination untested. Both peptides came out of the same Russian research programme and are often studied side by side.
Original illustration for Selank + Semax Blend research notes: abstract molecular artwork in orange and teal
Original illustration by USA Peptide Vendors; artistic, not a structural model.

What each component does on its own

Evidence level: Components only: no study has tested this combination. All mechanism maps

Selank + Semax Blend mechanism diagramEach component's own reported mechanism, side by side. Targets: Selank: Enkephalin-degrading enzymes, Semax: Hippocampus. : . Effect reported for that component alone: Enkephalin breakdown ↓, Basis for cognitive effects.Selank + Semax Blend mechanism mapEach component's own reported mechanism, side by sideSelank + Semax Blend2-component blendSelank: Enkephalin-degradingenzymeshuman plasma [1]Semax: Hippocampusrat [2]Enkephalin breakdown ↓[1]Basis for cognitive effectsproposed [2]Evidence: Components only: no study has tested this combination. Numbers in brackets referto the cited sources.usapeptidevendors.com · Research Use OnlyCOMPONENT → REPORTED TARGETEFFECT REPORTED FOR THAT COMPONENT ALONE
Each row comes from studies of that peptide on its own. Whether the blend behaves like the sum of its parts has not been studied. Open SVG
  1. Zolotarev IuA et al. [Leu-enkephalin homogeneously labeled with tritium in studying the Selank inhibiting effect on the enkephalin-degrading enzymes of human plasma]. Bioorg Khim. 2004;30:234-40.
  2. Dolotov OV et al. Semax, an analog of ACTH(4-10) with cognitive effects, regulates BDNF and trkB expression in the rat hippocampus. Brain Res. 2006;1117:54-60.

Blend-specific checks

  • Ask for net content per component: Selank, Semax. A single purity figure for the vial doesn't cover each peptide.

FAQ

What is Selank + Semax Blend?

30mg vial combining the heptapeptides Selank and Semax. Both peptides came out of the same Russian research programme and are often studied side by side.

What's in Selank + Semax Blend?

Selank, Semax. No published study has tested this exact combination; each component's evidence is separate.

Where can US labs buy Selank + Semax Blend?

Purgo Labs stocks it as “Selank / Semax Blend”; code usapeptidevendors takes 25% off at checkout. This page also lists the best-documented second vendor from our 112-vendor directory.

Is research-grade Selank + Semax Blend for human use?

No. Vendor material is sold for Research Use Only, not for human or veterinary use.