For injection technique, visit our Ipamorelin how to inject guide
To help visualize these differences, our team put together a quick comparison
IGF-1 LR3 (Insulin-like Growth Factor 1 Long R3) is an 83-amino-acid synthetic variant of human IGF-1, engineered with two key structural modifications: a glutamic acid substitution for arginine at position 3 (R3) and a 13-amino-acid N-terminal extension peptide
It uses low-molecular collagen
Common goals include weight loss, muscle recovery, improved sleep, enhanced energy, skin rejuvenation, hormone balance, and gut health
Patients should avoid self-sourcing and should speak with a licensed provider about safety, legal status, and medically supervised options