

Hallmark Peptides Catalog
SKU FR05-0428 · Metabolic & Body Composition
HGH Frag 176-191
GH Fragment 176-191 is the specific C-terminal region of human growth hormone responsible for lipolytic activity, studied independently of GH receptor binding or IGF-1 production.
Product code
FR05-0428
Availability
In Stock · 50 units
Purchase highlights
Isolated lipolytic fragment of hGH — no GH receptor competition
Stimulates HSL-mediated lipolysis without IGF-1 or hyperglycemia
Lyophilized · ≥98% purity · CAS 66004-57-7
Description
HTML contentGH Fragment 176-191 (GH Frag) is a synthetic peptide corresponding to the C-terminal region of human growth hormone, encompassing amino acids 176 through 191. This fragment represents the specific portion of the GH molecule responsible for its lipolytic (fat-burning) activity.
Unlike full-length growth hormone, GH Frag 176-191 does not compete for the GH receptor and does not induce IGF-1 production, hyperglycemia, or acromegalic effects. GH Fragment 176-191 stimulates lipolysis through direct activation of hormone-sensitive lipase (HSL) in adipocytes, promoting the breakdown of stored triglycerides into free fatty acids and glycerol.
Additional information
Category
Metabolic & Body Composition
CAS Number
66004-57-7
Availability
In stock
Delivery
10–14 business days
Coverage
United States, European Union, South America
Regulatory notice
Regulatory Compliance Notice
- Exclusively for laboratory research use
- Not intended for human or veterinary use
- Not intended for human consumption
- Not intended to diagnose, treat, cure, or prevent any disease
- Not approved by the FDA as a drug or dietary supplement
Technical Specifications
Product dataCAS Number
66004-57-7
Package Size
5 mg
Expiry
April 2028
PubChem
PubChem: HGH-Fragment-176-191
Storage
-20 °C (lyophilized); 2–8 °C after reconstitution
Purity
≥ 98% (HPLC)
Format
Lyophilized powder
Manufacturer
Hallmark Peptides
Warnings
Product dataResearch use only
For laboratory research use only. Not intended for human or veterinary use.
Handling
Handle with appropriate laboratory safety equipment.
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