What is IGF1-LR3?

IGF1-LR3, also known as Long Arg³ IGF-1, is a synthetic version of insulin-like growth factor-1 (IGF-1). It contains two key modifications compared with native IGF-1:

• An arginine substitution at the third amino acid position

• An extended N-terminal sequence of 13 amino acids

These structural changes reduce binding to IGF binding proteins, allowing the compound to remain active in biological systems for longer. As a result, IGF-1 LR3 typically has a half-life of approximately 20–30 hours, significantly longer than standard IGF-1.

Because of this enhanced stability, researchers often study the effects of IGF-1 signalling pathways, receptor interactions, and growth factor responses using igf1 lr3 peptide models.

Key Benefits

Researchers choose igf1 lr3 for several notable characteristics:

Extended Activity

The modified amino acid structure creates a longer half life, enabling extended receptor interaction compared with native IGF-1.

Reduced Binding to IGF Proteins

Lower affinity for IGF binding proteins allows the compound to remain more bioavailable in experimental conditions.

Consistent Receptor Activation

IGF-1 LR3 interacts with the IGF-1 receptor, activating signalling pathways linked to cell growth and protein synthesis.

Improved Stability

The peptide demonstrates increased metabolic stability, making it suitable for longer laboratory protocols.

Valuable Research Tool

Scientists studying growth hormone pathways, muscle growth signalling, and cellular proliferation often utilise igf1 lr3 peptide models.

How It Works

IGF1-LR3 functions by binding to the IGF-1 receptor (IGF-1R) located on the surface of many cell types.

Once activated, this receptor triggers intracellular signalling cascades including:

• PI3K/Akt pathway

• MAPK signalling pathway

These pathways regulate processes such as:

• cellular growth

• protein synthesis

• nutrient uptake

• metabolic activity

Because igf-1 lr3 maintains receptor activation longer, researchers can observe prolonged biological responses in experimental settings.

This makes the peptide useful for studies examining growth factor signalling, cellular differentiation, and metabolic regulation.

Recommended Usage Information

IGF1-LR3 is supplied strictly for laboratory research purposes.

Typical laboratory handling includes:

• Reconstitution using sterile water or appropriate buffered solutions

• Aliquoting after preparation

• Storage at –20°C to maintain peptide stability

• Avoiding repeated freeze-thaw cycles

While many online discussions reference igf1 lr3 dosing protocols, dosing strategies vary widely depending on research design. Laboratories should determine appropriate concentrations based on experimental requirements.

This product is not intended for human or veterinary use.

---

Product Specifications

---

Who This Product Is For

This igf1 lr3 peptide is intended for:

• academic laboratories

• biotechnology research facilities

• biochemical researchers

• peptide research specialists

• institutions studying growth factor signalling

Researchers investigating igf1 lr3 before and after cellular responses, receptor behaviour, or metabolic pathways may find this compound particularly useful.

Quality and Authenticity

Quality control is essential when sourcing peptides for research.

Every batch of IGF1-LR3 1mg undergoes strict testing to verify:

• purity levels

• peptide identity

• manufacturing consistency

Our peptides are manufactured using advanced synthesis methods and verified using HPLC analysis to ensure reliable research performance.

Each order is packaged securely to protect peptide integrity during transit.

Shipping Information (UK Delivery)

We offer fast and reliable UK shipping for all research peptides.

Shipping details:

• Royal Mail tracked delivery

• Secure and discreet packaging

• Same-day dispatch on orders placed before cut-off time

Delivery typically 1–2 working days within the UK

Tracking information is provided once your order has been dispatched.

Order today

If you are looking to buy igf1 lr3 from a trusted research peptide supplier, our IGF1-LR3 1mg provides verified quality and reliable shipping.

Order today to access high-purity igf1 lr3 for sale designed for professional laboratory research.

FAQ

What is IGF1-LR3 used for?

IGF1-LR3 is primarily used in scientific research studying insulin-like growth factor signalling, cell growth mechanisms, and metabolic pathways.

---

How is IGF1-LR3 different from regular IGF-1?

IGF-1 LR3 includes an arginine substitution and a 13-amino-acid extension, giving it a longer half-life and reduced binding to IGF binding proteins.

---

What is the half-life of IGF-1 LR3?

IGF-1 LR3 typically has a half-life of around 20–30 hours, significantly longer than native IGF-1.

---

Is IGF1-LR3 approved for medical use?

No. IGF1-LR3 is supplied strictly for research purposes and is not approved for human or veterinary use.