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Peptide Database

Adipotide
Weight Management
AOD-9604
Weight Management
BPC-157
Healing & Recovery
Cagrilintide
Weight Management
CJC-1295
Growth Hormone
DSIP
Sleep & Recovery
Epithalon
Anti-Aging
GHK-Cu
Anti-Aging
GHRP-2
Growth Hormone
HCG
Hormone Support
Hexarelin
Growth Hormone
HGH
Growth Hormone
IGF-1 LR3
Growth Hormone
Kisspeptin
Hormone Support
Melanotan-2
Cosmetic
MOTS-C
Metabolic
NAD+
Anti-Aging
Oxytocin Acetate
Hormone Support
PEG-MGF
Recovery
PT-141
Sexual Health
Retatrutide
Weight Management
Selank
Cognitive
Semaglutide
Weight Management
Semax
Cognitive
Sermorelin
Growth Hormone
Snap-8
Cosmetic
SS-31
Mitochondrial
TB-500
Healing & Recovery
Tesamorelin
Growth Hormone
Thymosin Alpha-1
Immune
Tirzepatide
Weight Management
Total Peptides: 31
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AOD-9604
Max Weight Loss12.3%
Studies3
Participants78
StatusAvailable

AOD-9604

Human Growth Hormone Fragment 176-191

AOD-9604 is a modified fragment of human growth hormone (HGH) comprising amino acids 176-191 from the C-terminus. Developed by Metabolic Pharmaceuticals, this peptide specifically targets fat loss without the growth-promoting effects of full HGH. It stimulates lipolysis (fat breakdown) and inhibits lipogenesis (fat formation), making it a targeted approach for body composition improvement and weight management.

AOD-9604 Mechanism of Action

The Complete Journey: From Injection to Results

AOD-9604 represents the last 16 amino acids (176-191) of the human growth hormone molecule, specifically the region responsible for fat metabolism without growth promotion. It binds to β3-adrenergic receptors on adipocytes, activating adenylyl cyclase and increasing cyclic adenosine monophosphate (cAMP) levels. This cascade activates hormone-sensitive lipase, promoting lipolysis (fat breakdown) while simultaneously inhibiting acetyl-CoA carboxylase, reducing lipogenesis (fat formation). The peptide mimics the natural fat-burning properties of HGH without affecting growth, insulin sensitivity, or IGF-1 production.

0-30 minutes

The Injection

You inject AOD-9604 under your skin. This growth hormone fragment begins absorbing into your bloodstream.

BODY EFFECT
Initial absorption begins
WHAT YOU NOTICE
You might feel a slight pinch, then nothing - the fat-burning peptide is starting its journey.
30 minutes - 2 hours

Bloodstream Distribution

AOD-9604 travels to fat cells throughout your body, seeking out specific receptors on adipocytes (fat cells). It has a special affinity for abdominal and stubborn fat areas.

BODY EFFECT
Targeting fat cell receptors
WHAT YOU NOTICE
No immediate effects - the peptide is finding and binding to fat cells.
2-8 hours

Fat Cell Activation

The peptide activates fat-burning enzymes and stimulates lipolysis (fat breakdown) without affecting muscle tissue. It specifically targets stored fat for energy.

BODY EFFECT
Fat burning activation
WHAT YOU NOTICE
You might notice slight increase in body temperature or energy levels.
8-24 hours

Metabolic Enhancement

Your body's fat-burning processes ramp up significantly. AOD-9604 preserves muscle mass while specifically targeting fat tissue for breakdown.

BODY EFFECT
Enhanced fat metabolism
WHAT YOU NOTICE
Increased energy levels and potentially reduced appetite as fat is used for fuel.
1-7 days

Peak Fat Burning

Maximum fat-burning effects achieved. Your body becomes highly efficient at using stored fat for energy while preserving lean muscle mass.

BODY EFFECT
Optimized body composition
WHAT YOU NOTICE
Noticeable improvements in energy, endurance, and early body composition changes.
1-4 weeks

Visible Results

Measurable fat loss with preserved muscle mass. Body composition improves with clearly visible changes in measurements and appearance.

BODY EFFECT
Improved lean body mass ratio
WHAT YOU NOTICE
Significant changes in body fat percentage, measurements, and overall physique.

How AOD-9604 Works at the Molecular Level

Scientific Mechanism

AOD-9604 represents the last 16 amino acids (176-191) of the human growth hormone molecule, specifically the region responsible for fat metabolism without growth promotion. It binds to β3-adrenergic receptors on adipocytes, activating adenylyl cyclase and increasing cyclic adenosine monophosphate (cAMP) levels. This cascade activates hormone-sensitive lipase, promoting lipolysis (fat breakdown) while simultaneously inhibiting acetyl-CoA carboxylase, reducing lipogenesis (fat formation). The peptide mimics the natural fat-burning properties of HGH without affecting growth, insulin sensitivity, or IGF-1 production.

Simple Explanation

Think of AOD-9604 as taking only the fat-burning part of growth hormone and leaving behind everything else. Growth hormone naturally burns fat, but it also affects growth, blood sugar, and can cause side effects. AOD-9604 is like extracting just the 'fat-burning instructions' from growth hormone. It tells your fat cells to break down stored fat for energy while preventing new fat from being stored. It's like having a very focused, targeted fat-burning signal without any of the complications.

The Simple Truth: Why It Works So Well

Medical Disclaimer

AOD-9604 is an investigational research compound not approved by the FDA for human therapeutic use. This information is for educational purposes only and should not be construed as medical advice. Any use should occur only under medical supervision in approved research settings.