Fragment 176-191
HGH Frag 176-191 • AOD-9604 Fragment
Mechanism
Fragment of human growth hormone (amino acids 176-191) that promotes fat breakdown without affecting blood sugar or growth. Selectively targets fat cells.
Half-Life
30 minutes
Administration
Technical Protocol
Fragment 176-191: Comprehensive Research Guide
Overview
Fragment 176-191 (also known as HGH Frag 176-191 or AOD-9604 Fragment) is a 16-amino acid peptide derived from the C-terminal region of human growth hormone (amino acids 176-191). This fragment has been studied for its selective fat-burning properties without the systemic effects of full HGH.
Mechanism of Action
Selective Fat Metabolism
- Lipolysis: Promotes breakdown of stored fat (triglycerides)
- Fat Cell Targeting: Specifically targets adipocytes (fat cells)
- No Growth Effects: Does not stimulate growth hormone receptors
- Metabolic Enhancement: Increases metabolic rate in fat tissue
Key Differences from HGH
- No Blood Sugar Impact: Does not affect glucose metabolism
- No Growth Stimulation: Does not promote muscle or bone growth
- Targeted Action: Primarily affects fat cells
- Shorter Half-Life: Rapid clearance from system
Research Applications
Fat Loss Research
- Targeted Fat Reduction: May reduce stubborn fat deposits
- Metabolic Rate: Increases fat metabolism
- Body Composition: Improves body fat percentage
- Spot Reduction: Potential for localized fat reduction
Comparison to AOD-9604
- Similar Structure: Related to AOD-9604
- Different Effects: May have distinct mechanisms
- Research Status: Both under investigation
Dosage Protocols
Standard Protocol
- Dose: 200-500 mcg daily
- Typical: 300 mcg twice daily
- Timing: Morning and evening
- Administration: Subcutaneous injection
Cycle Recommendations
- Duration: 8-12 weeks
- Cycles: 8 weeks on, 4 weeks off
- Stacking: Often combined with other peptides
Side Effects
- Minimal: Generally well-tolerated
- Injection Site: Mild irritation possible
- No Hormonal: Does not affect hormone levels
- No Blood Sugar: Safe for diabetics
Storage
- Temperature: 2-8°C (refrigerated)
- Light: Protect from light
- Reconstituted: Stable for 2-3 weeks refrigerated
This information is for research and educational purposes only.
Peer-Reviewed Citations
AOD9604: a peptide that regulates fat metabolism
Heffernan M, et al. • Int J Obes (2001)
Access ResearchFrequently Asked Questions
What is Fragment 176-191?
A 16-amino acid fragment of human growth hormone that selectively promotes fat metabolism without the side effects of full HGH. Research suggests targeted fat loss properties.
How does Fragment 176-191 work?
Fragment of human growth hormone (amino acids 176-191) that promotes fat breakdown without affecting blood sugar or growth. Selectively targets fat cells.
What is the typical dosage of Fragment 176-191 in research?
The typical research dosage of Fragment 176-191 is 300 mcg (range: 200-500 mcg). Common administration routes include Subcutaneous.
How should Fragment 176-191 be stored?
Store at 2-8°C, protect from light
Related Metabolic Peptides
Tirzepatide
A novel dual agonist for GLP-1 and GIP receptors, used for weight management and diabetes.
metabolicSemaglutide
A widely used GLP-1 analog for type 2 diabetes and chronic weight management.
metabolicMOTS-c
A mitochondria-derived micropeptide studied for its metabolic and anti-aging effects.
metabolicAOD-9604
A GH fragment specifically designed for fat reduction and cartilage repair.