In short
A piece of the growth hormone molecule marketed for fat loss. It is closely related to AOD-9604, whose obesity trial failed. Not authorized in Canada.
Also known as"HGH frag"
CategoryWeight loss & GLP-1
Canada statusNot authorized in Canada
Human evidence Very limited: almost all animal or cell studies
Last reviewedNovember 10, 2026
How strong is the human evidence?
- Cell & animal
- Small human studies
- Some randomized trials
- Large randomized trials
What is HGH Fragment 176-191?
"HGH Fragment 176-191" refers to a short section from the end of human growth hormone; AOD-9604 is based on the same region.
We did not find a registered drug or a published controlled human trial under this name in our PubMed search (Nov 2026).
Is HGH Fragment 176-191 legal in Canada?
Not authorized: no product found in the Drug Product Database.
What the research shows
- The closest human evidence is for AOD-9604, and its larger Phase 2b obesity trial did not show significant weight loss.
What it doesn't show
- No evidence that the fragment sold online burns fat or acts like growth hormone.
Common questions
Is HGH Fragment 176-191 the same as HGH?
No. It is a small piece of the growth hormone molecule and is not equivalent to whole growth hormone.
Is HGH Fragment 176-191 legal in Canada?
It is not authorized by Health Canada.
Sources
- Metabolic Pharmaceuticals ASX announcement (Feb 21, 2007): AOD9604 Phase 2B results
- Health Canada Drug Product Database (searched Nov 10, 2026)
- Health Canada advisory RA-81874 (Apr 9, 2026): Think twice before injecting peptides bought online
Related
AOD-9604A fragment of human growth hormone developed as an anti-obesity pill. Its larger Phase 2b trial failed and obesity…Not authorized in Canada
MK-677 (Ibutamoren)MK-677 is often lumped in with peptides, but it is an oral non-peptide drug that acts on the ghrelin receptor. A…Not authorized in Canada