MK 677 (Ibutamoren)

MK 677 (Ibutamoren) is a peptide hormone that mimics the effects of ghrelin, the hormone that regulates appetite.

It is frequently used by bodybuilders and athletes as a performance enhancing drug, as it can help to increase muscle mass and Strength.

MK 677 also has a number of other potential benefits, including promotion of fat loss, improved sleep quality, and increased healing rates.