Growth Hormone is the critical downstream hormone that facilitates many benefits attributed to MK-677. Klara is a postgraduate researcher in experimental psychology at the University of Oxford. MK-677, or Ibutamoren, can mimic the hunger hormone Ghrelin and stimulate Growth Hormone and IGF-1 release. The metabolic benefits of increased GH and IGF-1 generally far outweigh this minor, temporary spike. Elevated GH and IGF-1 levels can decrease insulin sensitivity over time. For most research subj...