IGF-1 LR3
ResearchA long-acting analog of insulin-like growth factor 1. Researched for muscle growth, fat loss, and anabolic effects independent of growth hormone.
Growth HormoneBody CompositionMuscle Growth
Half Life
~20-30 hours
Time to Results
4-8 weeks
Administration
SubQ injection, Intramuscular
🐾 Griffin's Research Scorecard
Research Strength
Human Data
Animal Data
Long-Term Data
Beginner Friendly
Storage Difficulty
Injection FrequencyDaily or post-workout
Cost$$$
🐾 Griffin Says...
Powerful stuff with a real safety consideration around hypoglycemia. IGF-1 LR3 can drop blood sugar, so having glucose on hand during research is important. This is an advanced compound, not for beginners. The muscle research is impressive but the risk profile needs respect.
Benefits
- Muscle cell proliferation
- Fat reduction
- Improved recovery
- Anabolic effects independent of GH
- Satellite cell activation
Best For
- Advanced body composition research
- Muscle growth research
Body Systems
MusculoskeletalMetabolicEndocrine
Mechanisms of Action
- Binds IGF-1 receptors
- Promotes muscle cell proliferation (hyperplasia)
- Activates satellite cells for muscle repair
- Reduces muscle protein breakdown
Side Effects
| Effect | Frequency | Severity |
|---|---|---|
| Hypoglycemia risk | Common | Moderate - serious if severe |
| Water retention | Common | Mild |
| Jaw/organ growth with chronic high doses | Rare | Serious |
Contraindications
Diabetes, active cancer, insulin use (hypoglycemia risk compounded), pregnancy
Peptides discussed here are for research purposes only. Nothing on this page is medical advice. Always consult a qualified professional before making health decisions.
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