What are the side effects of Selank?
The most commonly reported Selank side effects are generally well tolerated, rare: mild fatigue early. Most are mild and tend to be dose dependent. It is generally avoided with pregnancy / nursing, no data. Human clinical evidence for Selank is limited, so this reflects reported and observed effects, not a complete safety profile.
Reported Selank side effects
- Generally well tolerated
- Rare: mild fatigue early
Who should avoid it
- Pregnancy / nursing, no data
References
- Peptide-based Anxiolytics: The Molecular Aspects of Heptapeptide Selank Biological Activity — Vyunova TV, Andreeva L, Shevchenko K, Myasoedov N. Protein and Peptide Letters, 2018
- Peptide Selank Enhances the Effect of Diazepam in Reducing Anxiety in Unpredictable Chronic Mild Stress Conditions in Rats — Kasian A, Kolomin T, Andreeva L, Bondarenko E, Myasoedov N, Slominsky P, Shadrina M. Behavioural Neurology, 2017
- Rapid and slow response during treatment of generalized anxiety disorder with peptide anxiolytic selank — European Psychiatry (EPA congress abstract P-1114), via ScienceDirect, 2012
Pepdex is an editorial reference, not medical advice. Peptides vary in legal and approval status by country, many are research compounds without full human safety data. Talk to a qualified clinician before starting anything.
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Last updated 2026-06-06.