What is Swiss Chems MK677 Ibutamoren? MK-677, often called ibutamoren or ibutamoren mesylate, is actually a peptide that belongs to the growth hormone secretagogues group (GHSR). It works by mimicking the action on the https://neilhxfw465524.get-blogging.com/35831817/what-is-swiss-chems-mk677-ibutamoren