Weight Loss & MetabolicAnecdotal

HGH Fragment 176-191 Peptide Therapy

Benefits, Side Effects, Cost & Protocols

HGH Fragment 176-191 peptide molecular structure diagram from PubChem

HGH Fragment 176-191 is a modified form of amino acids 176-191 of the human growth hormone polypeptide. It is specifically studied for its lipolytic (fat-burning) properties without the growth-promoting effects of full-length HGH, making it of interest for targeted fat loss.

ByChris Riley(CFA)&Alex Evans, PharmD, MBA(PharmD, MBA)|Updated May 19, 2026

Clinically Reviewed

Reviewed by Alex Evans, PharmD, MBA · Updated May 2026

Evidence-Based

Sourced from FDA, PubMed & ClinicalTrials.gov · View sources

FDA Status

Research Only Not currently approved for human use in the US. Available as a research compound. Not eligible for compounding.

Evidence

Anecdotal

Who Is HGH Fragment 176-191 Best For?

Fat metabolismLipolysis researchBody compositionNo published clinical studies foundstudy

How HGH Fragment 176-191 Works

Isolated lipolytic region of HGH that may stimulate fat breakdown without affecting blood sugar or promoting cellular growth.

HGH Fragment 176-191 FAQ

What is HGH FRAGMENT 176-191?

HGH Fragment 176-191 is a modified fragment of human growth hormone containing the fat-burning portion without growth effects, making it a focused tool for fat metabolism research.

How does HGH FRAGMENT 176-191 work?

Isolated lipolytic region of HGH that may stimulate fat breakdown without affecting blood sugar or promoting cellular growth.

Is HGH FRAGMENT 176-191 legal to buy?

HGH FRAGMENT 176-191 is sold as a research chemical for laboratory use only. It is not approved for human use by the FDA. Regulations vary by jurisdiction.

Where can I buy HGH FRAGMENT 176-191?

HGH FRAGMENT 176-191 has mixed availability - it can be found through both compounding pharmacies (with prescription) and research suppliers.

What category does HGH FRAGMENT 176-191 belong to?

HGH FRAGMENT 176-191 is primarily classified as a weight loss & metabolic peptide. Peptides researched for their effects on weight management, fat metabolism, appetite regulation, and metabolic enhancement. This category includes GLP-1 agonists, dual/triple agonists, and other metabolic peptides.

What are the research benefits of HGH FRAGMENT 176-191?

HGH FRAGMENT 176-191 has been studied for: Fat metabolism, Lipolysis research, Body composition. Fat-specific GH fragment.

Key Studies

2 total on PubMed1 human trials

Human Growth Hormone Fragment 176-191 Peptide Enhances the Toxicity of Doxorubicin-Loaded Chitosan Nanoparticles Against MCF-7 Breast Cancer Cells

Habibullah MM, Mohan S, Syed NK et al

In Vitro · Drug Des Devel Ther

HGH fragment 176-191 peptide increased doxorubicin-loaded chitosan nanoparticle toxicity against MCF-7 breast cancer cells

HGH Fragment 176-191 Compound Data

Molecular Formula

C80H127N23O24S2

Molecular Weight

1859.1 g/mol

IUPAC Name

acetic acid;(2S)-2-[[2-[[(4R,7S,13S,16S,19S,22S,25R)-25-[[(2S)-5-amino-2-[[(2S)-2-[[(2S,3S)-2-[[(2S)-2-[[(2S)-2-[[(2S)-2-amino-3-phenyl-propanoyl]amino]-4-methyl-pentanoyl]amino]-5-guanidino-pentanoyl]amino]-3-methyl-pentanoyl]amino]-3-methyl-butanoyl]amino]-5-oxo-pentanoyl]amino]-13-(2-carboxyethyl)-22-(3-guanidinopropyl)-7,19-bis(hydroxymethyl)-16-isopropyl-6,9,12,15,18,21,24-heptaoxo-1,2-dithia-5,8,11,14,17,20,23-heptazacyclohexacosane-4-carbonyl]amino]acetyl]amino]-3-phenyl-propanoic acid

View full compound on PubChem

HGH Fragment 176-191 News

Amino acid composition drives aggregation during peptide synthesis - Nature

Nature · 1 month ago

AOD-9604 Peptide: Unlocking Its Potential in Metabolic and Regenerative Research - Health Tech World

Health Tech World · 12 months ago

The expanding research landscape of a Lipolytic Peptide - Pulse Kenya

Pulse Kenya · 12 days ago

Trainer advertised performance-enhancing drugs before working with Canelo Álvarez - The Guardian

The Guardian · 8 months ago

News aggregated via Google News. Inclusion does not imply endorsement.

Medical Disclaimer: The information on this page is for educational purposes only and does not constitute medical advice. Peptide therapies have not been evaluated by the FDA for most listed indications.All prices shown are estimates based on publicly available data and may not reflect current pricing — providers and brands set their own prices and can change them at any time. Always verify pricing directly with the provider before purchasing. Consult a licensed healthcare provider before starting any peptide protocol.

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