[8] Serious adverse effects are uncommon
Active at nanomolar concentrations: Unlike many peptides that require high systemic concentrations, GHK-Cu has been shown to exert meaningful biological effects at nanomolar (10 M) concentrations making it effective even at low doses
Zdori, Semmelweis University, Hungary Updates Copyright 2021 Seiwerth, Milavic, Vukojevic, Gojkovic, Krezic, Vuletic, Pavlov, Petrovic, Sikiric, Vranes, Prtoric, Zizek, Durasin, Dobric, Staresinic, Strbe, Knezevic, Sola, Kokot, Sever, Lovric, Skrtic, Blagaic and Sikiric
This bidirectional immune regulation makes Selank an immunomodulator rather than a simple immunostimulant
What does the research say
Bloating, burping stomach pain etc