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IGF-1 LR3 1mg
Lab Verified99% PURITY
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Molecular Structure
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IGF-1 LR3 1mg

Lab Certified
99% Pure
Fast Shipping
Analytically Verified
$85.00
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What It Is

IGF-1 LR3 (Long Arg3 Insulin-like Growth Factor-1) is a modified 83-amino-acid analog of human IGF-1. The substitution of arginine at position 3 and an N-terminal extension of 13 amino acids dramatically reduces its binding affinity for IGF-binding proteins (IGFBPs), resulting in a significantly extended half-life and enhanced bioavailability compared to native IGF-1. It signals through the IGF-1 receptor (IGF-1R), activating the PI3K/Akt and MAPK/ERK cascades — two of the most fundamental growth signaling pathways in cell biology.
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Why Researchers Study It

The IGF system is central to how organisms orchestrate growth from a single fertilized cell into a complex organism of 37 trillion cells. Every cell division, every tissue differentiation, every organ that takes shape during development relies on this signaling architecture. IGF-1 LR3 allows researchers to study these growth signals with greater precision, examining the very pathways through which the developmental program unfolds at the molecular level.

What Makes Ours Different

At 99%+ purity (HPLC verified), our IGF-1 LR3 supports research into IGF-1R signaling, IGFBP binding dynamics, and PI3K/Akt pathway activation.
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99%+ Purity
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Insulated
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RESEARCH USE ONLY: This product has not been evaluated by the FDA and is not intended to diagnose, treat, cure, or prevent any disease. For laboratory and research purposes only.

Signal Classification
Growth Factor
IGF-1 AnalogIGF-1R BindingPI3K/AktGrowth Factor Cascade
~90+ published studies
Quantum Alpha →
Research Philosophy

This compound is offered strictly for laboratory research use. The molecular architecture of each peptide in our catalog reflects remarkable structural complexity — and we believe that studying these structures with the highest quality materials is a matter of scientific integrity, not just regulatory compliance.

All products are intended for laboratory research and analytical purposes only. Not for human consumption.

"Mitochondria produce ATP at the speed of thought — 9 × 10²⁰ molecules per second. That is not random chemistry. That is biological engineering at its finest."

Key Benefits

  • Extended Half-Life Analog
  • Protein Synthesis Pathway Research
  • Muscle Cell Proliferation Studies
  • Nutrient Partitioning Research
The Covenant

The Alpha Standard

Most settle. We don't. Every vial that leaves our lab carries a promise — verified, sealed, uncompromised. In the Quantum Alpha framework, every signal matters.

Purity Is Discipline

99%+ HPLC-verified. Every batch. No exceptions. Because precision isn't optional — it's the standard.

The Narrow Gate

Most settle for 95%. We chose 99%+. The narrow gate isn't easy — but it's the only one worth walking through.

Insulated Shipping Covenant

Insulated packaging. Ships within 24 hours. Free over $300. Your compounds arrive exactly as they should.

Full Transparency

Certificate of Analysis available on request — mass spec, HPLC, and endotoxin data. Nothing hidden.

"The invisible creates the visible. Signal precedes structure. Purity is a frequency. Stay Alpha."

Ingredients

  • IGF-1 LR3 1mg
  • 99%+ Purity (HPLC)
  • Lyophilized Powder

Published Research

Peer-reviewed studies relevant to IGF-1 LR3 1mg. Each reference links directly to PubMed for full-text access.

2 published studies
100% peer-reviewed

"It is the glory of God to conceal a matter; to search out a matter is the glory of kings." — Proverbs 25:2

Researcher Reviews

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Researcher Reviews — IGF-1 LR3 1mg

Verified lab and research experiences

M
Marcus W.
IGF-1 LR3
8 weeks

"IGF-1 LR3 — precise dosing matters, quality delivers"

IGF-1 LR3 requires precise handling and Alpha Aminos delivers on that front. The 1mg vial was properly sealed and the lyophilized product was intact. Our mass spec analysis confirmed the correct molecular weight and sequence. The COA was thorough. When working with microgram-level dosing, supplier consistency is everything — we've ordered twice now with identical quality. Shipping was fast with proper temperature control. One of the few suppliers we trust for this particular peptide.

Questions & Answers

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Alpha AminosALPHAAMINOS

Premium research-grade peptide compounds. Third-party tested, 99%+ purity verified, laboratory certified. For research and analytical use only.

[email protected]+1 (480) 681-1646
4202 E Elwood St, Phoenix, AZ 85040

IMPORTANT NOTICE — RESEARCH CHEMICALS ONLY: All products sold on this website are strictly for laboratory research, in-vitro testing, and analytical purposes only. These products are not intended for human consumption, therapeutic use, or any application in or on the human body. They have not been evaluated by the Food and Drug Administration (FDA) and are not intended to diagnose, treat, cure, or prevent any disease. By purchasing, you confirm that you are at least 18 years of age and that these products will be used exclusively for legitimate research purposes. Alpha Aminos assumes no liability for misuse of these products.

NOT MEDICAL ADVICE: This website does not provide medical advice. All information, content, and materials available on this site are for general educational and research informational purposes only. Nothing on this website is intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of a qualified healthcare provider with any questions you may have regarding a medical condition.

CERTIFICATES OF ANALYSIS: Third-party certificates of analysis (COA) are available upon request for all products. Contact [email protected] with your order number and batch reference.

The invisible creates the visible.Signal precedes structure.Precision in every molecule.Separation is an illusion.Purity is a frequency.Every compound is a signal. Every signal has a destination.The research precedes the revelation.Every signal carries information.Honor the architecture of biology.We don't just supply compounds. We supply confidence in your research.Where science meets reverence, discovery follows.Molecular architecture reveals the blueprint of life.The invisible creates the visible.Signal precedes structure.Precision in every molecule.Separation is an illusion.Purity is a frequency.Every compound is a signal. Every signal has a destination.The research precedes the revelation.Every signal carries information.Honor the architecture of biology.We don't just supply compounds. We supply confidence in your research.Where science meets reverence, discovery follows.Molecular architecture reveals the blueprint of life.

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Where Inquiry Meets Molecular Precision

Research Use Only|All products are intended for laboratory research and analytical purposes only. Not for human consumption. Not evaluated by the FDA. Not intended to diagnose, treat, cure, or prevent any disease.

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