Growth Hormone peptide fragment 176-191, also known as HGH Frag 176-191, is a modified form of amino acids 176-191 of the GH polypeptide. It works by mimicking the way natural Growth Hormone regulates fat metabolism but without the adverse effects on blood sugar or growth that is seen with unmodified Growth Hormone.

The recommended duration of use of HGH Fragment 2-3 months, then it is recommended to break. The maximum recommended daily dose for the fastest effect is 2,000 mcg, divided into 3-5 applications.

HGH fragment may be used alone, but is also well combinable with several other peptides.