Semax vs Selank UK — Cognitive Peptide Research Comparison
Semax and Selank are synthetic heptapeptides derived from different endogenous peptide precursors, each studied for distinct cognitive signalling effects. Semax upregulates BDNF for neuroplasticity research; Selank modulates GABAergic signalling for anxiolytic research. This comparison of the highest purity peptides helps you choose the right compound for your neuroscience study.

Semax 10mg
Cognitive-enhancing synthetic heptapeptide — 10mg lyophilised research peptide. Lab-verified, 99%+ purity. Best UK peptides.

Selank 10mg
Anxiolytic synthetic heptapeptide — 10mg lyophilised research peptide. Lab-verified, 99%+ purity. Best UK peptides.
Detailed comparison
Lab-Verified Purity
Every batch independently tested with published COAs.
Published COAs
Certificates of Analysis available on every product page.
Research Use Only
For laboratory research. Not for human or animal use.
Frequently asked questions
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Both cognitive peptides — coming soon, lab-verified, and shipped discreetly from the UK.
Shop NowResearch Use Only — Strictly Not for Human or Animal Use
All compounds sold by HPLC Peps are supplied exclusively for professional in vitro laboratory research. They are not medicines, not licensed for any diagnostic or therapeutic application, and must not be administered to humans or animals under any circumstances. The purchaser assumes full responsibility for safe handling, storage, and regulatory compliance. HPLC Peps accepts no liability for misuse.
