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hGH Fragment 176-191

Also known as HGH Frag 176-191, lipolytic fragment.

Best known for The growth hormone fragment closely related to AOD-9604

Evidence★☆☆☆☆

Safety dataLargely unknown

Route Injectable

United StatesNot approved

AustraliaSchedule 4; related to AOD-9604 which is named in Appendix D cl.5

as at 16 September 2026

What it is and what it does

hGH Fragment 176-191 is the C-terminal fragment of human growth hormone, amino acids 176 to 191, studied as a fat-metabolism agent. It is not approved. AOD-9604 is this fragment with a small stabilising modification. The two are often offered as separate products and are, for practical purposes, the same compound.

What the full entry covers

The book carries the rest of this entry:

Where the research stands, with every claim cited
What people commonly ask, and what the research shows so far
Dosing in four labelled bands, described and not recommended
Side effects, serious risks, cautions and interactions
Questions to discuss with your doctor
How it compares with AOD-9604, Somatropin, Semaglutide

Related entries

AOD-9604The fat-loss peptide tested in a large phase 2b trial · Evidence ★★☆☆☆
SomatropinHuman growth hormone itself, the benchmark for every secretagogue · Evidence ★★★★★
SemaglutideThe drug that changed obesity treatment · Evidence ★★★★★

A certificate of analysis tells you what is in a vial. The evidence rating above tells you whether the compound has been shown to work in humans. Neither answers the other's question. How to read a certificate of analysis.

This page describes what is known and not known about hGH Fragment 176-191. It is not medical advice and not a recommendation to use it.