Growth Factor

IGF-1 LR3

A long-acting analog of insulin-like growth factor 1 studied for growth signaling.

What is IGF-1 LR3?

IGF-1 LR3 is a modified, longer-acting version of insulin-like growth factor 1. Its extended half-life and reduced binding-protein affinity make it a research tool for studying IGF-1 signaling, growth and cell proliferation.

Also known as: Long R3 IGF-1

Commonly researched for

Growth signalingCell proliferationBody composition

Research status

Primarily a research reagent; limited human safety data.

Important considerations

Affects blood sugar and cell growth pathways; potential risks around proliferation. Not an approved therapy.

View published research on PubMed
This page is for educational purposes only and is not medical advice, a diagnosis, or a recommendation to use any compound. It contains no dosing or purchase information. Always consult a licensed healthcare professional before considering any peptide.