What is Swiss Chems MK677 Ibutamoren? MK-677, also referred to as ibutamoren or ibutamoren mesylate, is a peptide that belongs to The expansion hormone secretagogues group (GHSR). It works by mimicking the action from https://saadbvxc716221.bluxeblog.com/67437121/what-s-swiss-chems-mk677-ibutamoren