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As of 2022, it is included in WADAs prohibited substances list

The initial stages of individual aging are also closely linked to vascular endothelial senescence (Brandes Ralf et al., 2005)

Though there is no data correlating the following side effects specifically to Selank, some anecdotal reports report the following reactions following administration: Headaches Pain/redness at the injection site Sinus irritation following nasal administration Sore throat Nausea While Selank appears to be safe according to the available evidence, researchers must perform due diligence before commencing research on the peptide

McMahon M, Thomas N, Itoh K, Yamamoto M, Hayes JD