Peptides / Weight and metabolic
Natural fragment · 16 amino acids
HGH fragment 176-191
Not approvedBanned in sport
HGH fragment 176-191 is the end piece of human growth hormone, different from AOD-9604, which adds one amino acid. It is not approved and is banned in sport, and few published studies mention it. PepBank shows no results on HGH fragment 176-191 from studies in people, animals, the lab or computer predictions. Data as of 2026-10-30.
Also known as HGH frag, Fragment 176-191, hGH(176-191)
16 amino acids, from first to lastFLRIVQCRSVEGSCGF
Evidence level: No study results yetPepBank has no study results for HGH fragment 176-191 yet.
Results in people
0
0% of 0 results
Results in animals
0
0% of 0 results
Results in lab cells
0
0% of 0 results
From computer models
0
0% of 0 results
Overview
HGH fragment 176-191 at a glance
| What it is | Natural fragment, 16 amino acids |
|---|---|
| Approval | Not approved for any use |
| In sport | Banned in sport (WADA S2.2.3) |
| Studies | 1 study with results. It did not give HGH fragment 176-191. |
| Clinical trials | None registered |
| Community use | Community fat loss use |
The science
What is HGH fragment 176-191?
C-terminal human growth hormone fragment, distinct from the Tyr-modified AOD-9604 analogue.
16
Amino acids in one chain
HGH fragment 176-191 structure and chemistry
The key facts about the molecule. Long codes are in the closed section below.
Sequence, 16 amino acidsFrom the first amino acid to the last
F1L+RIV5QC+RSV10−EGSCG15F
Darker means more water-repelling+ and − show charge in the body
Structure
HGH fragment 176-191 is a natural fragment of 16 amino acids, with a ring, 1 disulfide bond, no changed amino acids.
Development
Highest phase: no known clinical development.
Full sequence, SMILES and InChIKey
Three-letter sequenceH-Phe-Leu-Arg-Ile-Val-Gln-Cys-Arg-Ser-Val-Glu-Gly-Ser-Cys-Gly-Phe-OH
The evidence
What HGH fragment 176-191 studies show
Results grouped by what the studies measured. Each card shows where its results come from.
No study results yetPepBank has no study results for HGH fragment 176-191 yet.
Key HGH fragment 176-191 studies
No study of HGH fragment 176-191 has results in PepBank yet.
HGH fragment 176-191 clinical trials
ClinicalTrials.gov lists no trial of HGH fragment 176-191. A trial under another name may exist.
Status and safety
Is HGH fragment 176-191 approved?
FDA
United States
Not approvedNo approved medicine contains it.
EMA
European Union
Not approvedNo approved medicine contains it.
WADA
Sport
BannedOn the 2026 Prohibited List, section S2.2.3.
No. Not approved for any use. The sources we use show no clinical development. They show no approval at the FDA, the EMA or elsewhere (as of 13 Oct 2026). Banned in sport (WADA S2.2.3).
Laws and labels change, so check the regulator for the current status.
HGH fragment 176-191 side effects and safety
PepBank has no safety result from studies of HGH fragment 176-191 yet. That does not mean HGH fragment 176-191 is safe.
From the community
How people use it
What people report online. It comes from forums and guides, not from studies.
Community-reported. Not tested in trials.
The source reports this use pattern. It does not establish safety or efficacy.
Reported routines and cautions
What people use it for
- Community fat loss useS1
Reported regimens
| Context | Route | Amount | How often | How long | Agreement | Sources |
|---|---|---|---|---|---|---|
| Community fat loss use | Subcutaneous | 250 to 500 mcg per dose | 1 to 2 times daily | 4 to 8 weeks | Single secondary source. The wiki lists vendors but states that it does not sell peptides. | S1 |
Community sources
- S1HGH fragment community protocols (opens in a new tab)www.peptideprotocolwiki.com
Gaps
One secondary source reports the regimen. Specific community reports and vial identity remain unverified. The source does not establish safety or efficacy.
Questions and more
Ask a question about HGH fragment 176-191
The answer links to every study it uses.
Sources
- Database: PepBank data for HGH fragment 176-191 (data version 308560)
- Regulator: FDA status record
- Regulator: EMA status record
- Regulator: WADA status record
- Community: community sources (forums and guides), as summarized in the PepBank community file
AI wrote and checked these results. AI can make mistakes, so check important results against the source.
PepBank is a research reference. Talk to a doctor before you use any peptide.
Ask your AI about HGH fragment 176-191
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