Product Brief
IGF-1 LR3 is a modified insulin-like growth factor with extended activity and reduced binding-protein interference — widely used in muscle hypertrophy and cell proliferation protocols.
The LR3 modification extends IGF-1 activity and reduces binding protein interference, making this analog the standard choice for protocols focused on muscle hypertrophy, cell proliferation, and anabolic signaling.
Every Radiptide batch is manufactured under strict quality control and tested for identity and purity. Certificate of Analysis (COA) available on request.