harold Archive

Ibutamoren Nutrobal (MK-677)

What is Ibutamoren (MK677)? Ibutamoren or Nutrobal (Mk-677) is a growth hormone secretagogue developed by Reverse Pharmacology. A secretagogue is a substance that causes another substance to be secreted. So in this case, Ibutamoren signals the pituitary gland to secrete growth hormone. One can compare MK 677 to secretagogue peptides like GHRP or Ipamorelin, only that it doesn’t require injections. Nutrobal works via 4 main mechanisms: Increasing growth …