Back to Peptides
Muscle / GH / Performance
IGF-1 LR3
IGF-1 LR3 is a modified form of IGF-1 with an extended half-life, providing sustained anabolic and recovery effects beyond natural IGF-1.
Visit Trusted SourceMechanism of Action
Directly activates IGF-1 receptors, promoting protein synthesis, muscle growth, and cellular proliferation. Longer half-life than native IGF-1.
Dosing Overview
Research suggests 20-60mcg daily, AM or post-workout, for 4-6 week cycles.
Timeline of Effects
Anabolic effects within 2-4 weeks. Cycle length limited due to receptor sensitivity.
Stack Suggestions
CJC-1295, Ipamorelin, MGF
Safety Notes
Potent growth factor. Use conservatively. Requires proper reconstitution. For research purposes only.
Reconstitution Guide
Requires acetic acid for initial reconstitution. Follow specific protocols.
Ready to Research IGF-1 LR3?
Get premium quality peptides from our trusted supplier with exclusive community discounts.
Shop Optimum Formula