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Research guides

What each compound is, what the studies measured and what is still open. Every figure carries its source. Written for the laboratory, not the clinic.

All topicsMetabolicCognitive researchMitochondriaSkinTissue repairLab practice
CompoundEvery compoundTirzepatideSemaglutideRetatrutideCagrilintideSelankSemaxSS-31MOTS-cNAD+GHK-CuBacteriostatic Water
Cognitive researchPodcast

Selank vs Semax: two Russian peptides compared

Selank and Semax are two short synthetic peptides that share a Pro-Gly-Pro tail but start from different natural fragments. The comparison covers what each is, what the studies propose and measured, and where each stands with regulators.

18 October 2026 · 20 min read