Receptor Grade IGF-1 LR3 (100mcg)

$26.60

Receptor Grade IGF-1 LR3 (Long R3) is a high-purity, 83-amino acid analog of IGF-1 engineered for maximum bioavailability. By circumventing IGF-binding proteins, it offers a massive increase in anabolic potency compared to standard growth factors. Ideal for researchers comparing what are peptides to advanced cell-growth modulators and exploring the future of metabolic signaling.