IGF-1 LR3 – 1mg

Long R3 Insulin-like Growth Factor Peptide for Research Use | Manufactured by PRH

What is IGF-1 LR3 1mg?

IGF-1 LR3 (Long Arg3 Insulin-like Growth Factor-1) is a modified version of native IGF-1, engineered to offer increased stability and extended half-life for research use. With a 13–20 hour half-life, IGF-1 LR3 supports long-lasting effects on cell proliferation, growth signaling, and recovery.

Its structural modification — replacing glutamic acid with arginine at position 3 — minimizes binding to IGF-binding proteins (IGFBPs), allowing for more free IGF-1 activity. This makes LR3 a favored peptide in muscle hypertrophy, injury recovery, and cellular regeneration research.

See the IGF-1 Wikipedia page for background.

How IGF-1 LR3 Works

IGF-1 LR3 activates the IGF-1 receptor pathway, promoting anabolic activity, glucose uptake, and protein synthesis. Its extended half-life and poor affinity for IGFBPs result in higher bioavailability compared to native IGF-1. Research shows LR3 may stimulate satellite cell activation, increase muscle fiber density, and enhance recovery post-injury.

Because of its stability in plasma, LR3 is also studied in long-duration regenerative protocols across tissue types.

IGF-1 LR3 1mg Research Applications

• Muscle hypertrophy and regeneration studies
• Cellular growth and recovery research
• Neuroprotection and nerve regeneration models
• Glucose metabolism and insulin signaling pathways
• Tendon and ligament healing protocols
• IGF-1 receptor activation studies

Why Order IGF-1 LR3 from PRH?

• Research-grade IGF-1 LR3 – 1mg lyophilized powder
• ≥99% purity confirmed by HPLC
• Manufactured under sterile U.S. lab conditions
• Fast shipping and cold-pack handling
• Trusted by research institutions and laboratories

Product Specifications

• Compound: IGF-1 LR3 (Long R3 Insulin-like Growth Factor-1)
• Concentration: 1mg per vial
• Form: Lyophilized peptide powder
• Purity: ≥99% (HPLC-tested)
• Appearance: White to off-white powder
• Storage: Store at -20°C; refrigerate after reconstitution
• Solvent: Bacteriostatic water (recommended)

Disclaimer: This product is intended for research purposes only. Not for human or animal use.