The PED ShopThe PED Shop Shop
Home / IGF-1 LR3

IGF-1 LR3

IGF-1 LR3 is an Insulin-like growth factor analogue. A modified IGF-1 with an arginine substitution and a 13-amino-acid extension, reducing binding to IGF binding proteins and extending its active window relative to native IGF-1.

Reference only. This page covers what the compound is, how it is presented and how it is handled. It does not give dosing protocols or administration schedules, and it is not medical advice.

Class and mechanism

IGF-1 LR3 is an Insulin-like growth factor analogue. A modified IGF-1 with an arginine substitution and a 13-amino-acid extension, reducing binding to IGF binding proteins and extending its active window relative to native IGF-1.

How it is supplied

IGF-1 LR3 is supplied as a lyophilised powder. Reported half-life: Substantially longer than native IGF-1, on the order of 20 to 30 hours in published models. Storage: 2-8 C. Particularly sensitive to freeze-thaw cycling.

ListingStrengthPriceCost per mgStock
Quanta Pharma IGF-1 LR3 1mg1 mg£40£40.00 per mgout of stock
Stocked at The PED Shop

Availability checked 2026-09-08. The product page carries live stock.

Brands stockedQUANTASerenQ