Growth HormoneResearch peptide

IGF-1 LR3

IGF-1 LR3 (Long R3 IGF-1) is a modified analog of insulin-like growth factor 1 with reduced binding to IGFBPs, extending its bioactive half-life. It is studied for its effects on protein synthesis and cellular proliferation.

Also known as: Long R3 IGF-1, LR3, Long Arg3 IGF-1

Technical information

Molecular weight

9117.0 g/mol

Half-life

~20-30 hours (subcutaneous)

Sequence

Modified 83-amino acid IGF-1 analog (Arg3 substitution + 13 aa N-terminal extension)

Common research doses

20-50 mcg/day (research protocols)

Research areas

IGF-1 signalingMuscle researchHypertrophy studiesCell proliferation

For research purposes only. PepAssure provides vendor information as a verification service and does not endorse or recommend any specific use. Consult qualified research protocols and institutional review boards.