MK-677 (Ibutamoren) is a growth hormone secretagogue. What Ibutamoren does is that it raises growth hormone (GH) and insulin-like growth factor (IGF-1) levels. What makes MK-677 so special is that it’s one of the very few compounds that is able to give growth hormone levels a boost. At dosages of 10 to 20mg, you can expect it to increase performance, burn fat and even help build muscle.
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