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1 × IGF-1 LR3 (1MG lyophilized vial). Lyophilized vial — reconstitute with bacteriostatic water before laboratory use.
Extended-Activity Growth Factor for Cell Growth, Muscle Development & Regenerative Research IGF-1 LR3 (Insulin-like Growth Factor 1 Long Arg3) is a synthetic analogue of human IGF-1, engineered with a longer half-life and improved biological stability. It has become a key peptide in research focused on cellular repair, muscle hypertrophy, anti-aging, and tissue regeneration. At Elev8 Labs, we offer IGF-1 LR3 in a 1mg lyophilized peptide vial, manufactured to ≥98% purity, batch-tested for consistency, and designed specifically for scientific and laboratory research.
Extended-Activity Growth Factor for Cell Growth, Muscle Development & Regenerative Research
IGF-1 LR3 (Insulin-like Growth Factor 1 Long Arg3) is a synthetic analogue of human IGF-1, engineered with a longer half-life and improved biological stability. It has become a key peptide in research focused on cellular repair, muscle hypertrophy, anti-aging, and tissue regeneration.
At Elev8 Labs, we offer IGF-1 LR3 in a 1mg lyophilized peptide vial, manufactured to ≥98% purity, batch-tested for consistency, and designed specifically for scientific and laboratory research.
Learn more about IGF-1 on Wikipedia to understand its structure and biological significance in tissue growth and metabolic regulation.
IGF-1 LR3 is a modified version of native IGF-1, with a substitution of arginine for glutamic acid at position 3 and an extended 13-amino acid N-terminal peptide. These enhancements increase its resistance to binding proteins (IGFBPs), allowing greater bioavailability and a half-life of over 20–30 hours—compared to less than 30 minutes for natural IGF-1.
It is studied for its powerful effects on muscle cell proliferation, fat metabolism, neuroprotection, and wound healing, making it one of the most researched peptides in regenerative medicine.
Peptide Name: IGF-1 Long Arg3 (LR3)
CAS Number: 143045-27-8
Molecular Formula: C400H625N111O115S9
Molecular Weight: ~9111 Da
Form: Lyophilized powder
Content: 1mg per vial
Purity: ≥98% (HPLC Verified)
Storage: Store at -20°C until reconstitution
Reconstitution: Use bacteriostatic water for preparation
Studied for muscle hypertrophy and lean mass development
Promotes cellular regeneration and wound healing
Enhances fat metabolism and glucose regulation
Investigated for neuroprotective and anti-aging effects
Resistance to IGF-binding proteins for extended activity
Content: 1mg IGF-1 LR3 per sterile vial
Purity: ≥98%
Form: Lyophilized research peptide
Packaging: Airtight, waterproof, and sterile
Shipping:
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Delivery Guarantee: Fast, secure, tracked worldwide delivery
Muscle growth and repair models
Injury recovery and soft tissue healing
Neurological protection and brain function
Fat loss and metabolic enhancement studies
Aging and regenerative medicine research
Verified ≥98% purity through third-party testing
Scientifically consistent formulation
Sterile, lab-grade packaging for stability and quality
Trusted supplier of research peptides across the globe
⚠️ For Research Use Only. Not for human consumption or therapeutic use. Intended solely for scientific, laboratory, and educational purposes.
Verified molecular and structural reference for laboratory research use.
| Compound name | IGF-1 LR3 |
|---|---|
| CAS number | 143045-27-6 |
| Format | 1MG lyophilized vial |
| Research category | Performance Research · Recovery Research |
| Purity (RP-HPLC, UV) | 99.763% · COA #22667 · Jul 2026 |
| Testing laboratory | Chromate Analytical · independent third party |
Values are provided as published reference figures for research identification. Always confirm against the batch-specific Certificate of Analysis. For laboratory and research use only.
| Elev8 Labs | Typical supplier | |
|---|---|---|
| Per-batch third-party COA | ✓ Yes | Rarely provided |
| RP-HPLC purity testing | ✓ Yes | Inconsistent |
| Identity verified by independent lab | ✓ Yes | Often unverified |
| Cold-chain shipping | ✓ Yes | Rarely |
| Discreet, tracked packaging | ✓ Yes | Varies |
| Same-day dispatch | ✓ Yes | Varies |
Each batch is analyzed by an accredited third-party laboratory. The report below reflects the identity and purity data released for this product.
| Identity | IGF-1 LR3 · Conforms |
|---|---|
| Purity | 99.763% · RP-HPLC with UV detection |
| Method | Qualitative and quantitative chemical analysis by RP-HPLC |
| Laboratory | Chromate Analytical · chromate.org/verify |
Selected to match this product's preparation workflow and research category.

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