Category: Growth Factor
A modified Insulin-like Growth Factor 1 (IGF-1 Long R3, also known as IGF-1 LR3, IGF1-LR3, IGF1lr3, or IGL1lr3) with an extended half-life of 20–30 hours. Unlike native IGF-1, it does not bind to IGF-binding proteins, remaining active in the bloodstream significantly longer for enhanced anabolic and recovery effects.
Half-Life: 20 hours
Common Dosage: 20mcg