I keep coming across Selank in the research conversations I have been having lately. I will be honest — I was not looking for it specifically. But when a compound keeps appearing in the scientific literature and in serious academic discussions, it gets harder to set aside. I am approaching 50, I came into this whole space pretty skeptical, and I still am about most of what gets hyped online. This one, though, seemed worth actually understanding.

Selank is a synthetic peptide developed originally in Russia, derived from a naturally occurring immune peptide called tuftsin. The majority of the published research has come out of Russian and Eastern European institutions, and most of it centers on animal models — studies examining how Selank interacts with biological systems involved in stress and anxiety responses. There are a smaller number of human studies in the literature as well. Researchers have been investigating how the peptide interacts with neurotransmitter systems, and the findings published so far have been interesting enough to attract continued academic attention across multiple research groups.

I found this video a solid primer on what the research is actually looking at. It does not oversell anything — it covers what Selank is, how it was developed, and what the studies have examined so far. Good starting point if you want to understand what the science is exploring. Watch the full video here: