IGF-1 LR3 – Full Details & Benefits 

1. Basic Introduction

IGF-1 LR3 (Long R3 Insulin-like Growth Factor-1) is a synthetic long-acting analog of natural IGF-1.

It is a modified 83-amino-acid peptide with an extended half-life, designed for powerful growth, recovery and body recomposition.

• Full name: Insulin-like Growth Factor 1 Long R3
• Classification: Growth factor peptide, cell proliferation regulator
• Molecular weight: ~9116 Da
• Half-life: Approx. 20–30 hours (much longer than standard IGF-1)
• Appearance: White lyophilized powder, water soluble
• Key feature: Resistant to binding proteins in blood, keeps high bioavailability for a full day

2. Mechanism of Action

IGF-1 LR3 binds to IGF-1 receptors throughout the body:

• Stimulates cell division, cell regeneration and muscle satellite cell activation
• Promotes muscle hyperplasia (permanent muscle cell growth)
• Enhances nutrient uptake into muscle and fat cells
• Regulates growth hormone signaling and improves tissue repair

3. Main Benefits

1. Permanent Muscle Growth & Hyperplasia

Increases the actual number of muscle cells, not just water retention; builds lasting lean muscle mass and improves muscle density.

2. Rapid Injury & Tissue Repair

Accelerates recovery of muscles, tendons, ligaments and joint cartilage; speeds up healing from training injuries and overuse damage.

3. Powerful Fat Loss

Enhances lipolysis, breaks down stubborn visceral fat, lowers body fat percentage and improves body contour.

4. Anti-Aging & Cell Regeneration

Slows biological aging, improves skin elasticity, supports organ cell renewal and delays age-related physical decline.

5. Boosts Strength & Endurance

Increases workout performance, reduces fatigue, enhances athletic capacity and muscle fullness.

6. Nervous System Support

Promotes neuron repair and neurogenesis; supports brain function, memory and nerve tissue recovery.

4. Characteristics & Safety

• Ultra-long half-life, only once daily dosing needed.
• Stronger and more bioavailable than regular IGF-1.
• Common mild effects: temporary low blood sugar, slight bloating at standard research doses.
• Should be used in cycles to avoid receptor desensitization.

5. Summary

IGF-1 LR3 is a highly potent long-acting growth factor peptide. It promotes permanent muscle hyperplasia, fast tissue and joint repair, fat loss, anti-aging and physical performance improvement. It is one of the most powerful research peptides for body recomposition, injury recovery and overall physical rejuvenation.

Research Use Only. This catalog information is reproduced from the customer legacy website. Products are not for human or veterinary use. Confirm current specification, availability and documentation before ordering.