IGF-1 LR3 1mg Peptides
Serious research starts with uncompromising precision.
Peptide Scientific Labs presents a lyophilized research-grade vial of Insulin-like Growth Factor 1 Long R3 (IGF-1 LR3), formulated for laboratory use where reliability and consistency are non-negotiable. This sterile, lyophilized format is designed for controlled reconstitution and methodical handling in a clean lab environment. Total strength: 1mg per vial.
- Each vial contains 1mg of Insulin-like Growth Factor 1 Long R3 (IGF-1 LR3), a long-acting IGF-1 analog widely studied for receptor engagement, reduced binding to IGF-binding proteins, and dependable performance in cell-based and in vitro signaling assays.
This non-edible, laboratory-only format supports predictable workflows. The lyophilized presentation helps maintain stability during transport and storage, then reconstitutes cleanly for accurate aliquoting and reproducible assay development. IGF-1 LR3 is favored in research settings that require consistent activity across runs, enabling tight control of variables and clear interpretation of results.
Every vial reflects the disciplined standards of a USA-based research supplier. Raw materials are selected for quality, and each batch is assessed for identity and purity by advanced analytical methods such as HPLC and mass spectrometry. Fill-finish occurs under controlled conditions with careful documentation and lot-level traceability. Tamper-evident packaging and clear labeling support orderly inventory management and audit-ready recordkeeping.
Why researchers choose Peptide Scientific Labs: dependable sourcing, methodical handling, and transparent data. Our focus is on delivering peptides that meet rigorous expectations for purity and consistency, so your team can spend less time compensating for variability and more time advancing protocols. Each lot is supported by testing, handled with care, and positioned for serious work in qualified lab environments.
Ingredients: Insulin-like Growth Factor 1 Long R3 (IGF-1 LR3).
For laboratory research only. Not for human or veterinary use. Not a drug, food, or cosmetic. Handle using appropriate aseptic technique and standard peptide practices. Store appropriately and protect from contamination per your lab’s SOPs.
- Most orders ship within 24 hours and arrive within 3 to 5 days of leaving our warehouse.
- Shipping is free on orders of $99+ (except Hawaii and Alaska).
- All orders ship in discreet packaging via USPS Ground Advantage mail.
Delivery restrictions vary by state.
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Frequently Asked Questions
What is IGF-1 LR3?
IGF-1 LR3 is a modified long-acting analog of insulin-like growth factor 1. It is engineered for altered binding behavior and extended activity compared with native IGF-1, which is why it is treated as a distinct research molecule. On a site like this, it should be described as a research peptide tied to growth and metabolic signaling studies.
What is IGF-1 LR3 typically studied for?
Researchers usually investigate IGF-1 LR3 for cell proliferation, anabolic signaling, glucose uptake, and tissue-growth pathways. Because it acts downstream of growth-related signaling, it should be discussed carefully and scientifically, without implying that it is an approved product for muscle gain or performance use.
What are growth factors?
Growth factors are a class of signaling proteins and peptides that regulate cell proliferation, differentiation, and survival. Well-studied examples include insulin-like growth factor 1 (IGF-1), fibroblast growth factors (FGFs), epidermal growth factor (EGF), platelet-derived growth factor (PDGF), and nerve growth factor (NGF).
In research, growth factors are essential tools for cell culture, regenerative biology, developmental studies, and cancer research. They are typically used at low concentrations to stimulate specific cellular responses in vitro. All growth factor products from Peptide Scientific Labs are intended for laboratory research use only.
What is the role of IGF-1 in research?
Insulin-like growth factor 1 (IGF-1) is a 70-amino-acid peptide with significant structural similarity to insulin. It is one of the most-studied growth factors in research and is a central player in studies of cell proliferation, differentiation, metabolism, and tissue growth. IGF-1 acts through its own receptor (IGF-1R), which shares downstream signaling components with the insulin receptor.
In the laboratory, IGF-1 is used as a reference ligand in receptor-binding studies, as a supplement in cell culture media for certain cell lines, and as a model peptide in studies of the PI3K/AKT/mTOR signaling pathway. IGF-1 products from Peptide Scientific Labs are supplied for these kinds of research applications only.
How do growth factors differ from peptide hormones?
Peptide hormones — such as insulin, glucagon, and growth hormone — are typically produced by specialized endocrine glands and act on distant target tissues as part of systemic regulation. Growth factors are usually produced by a wider variety of cell types and tend to act in a more local manner, through autocrine or paracrine signaling on nearby cells.
Another difference lies in their biological roles: peptide hormones are generally studied in the context of metabolic and endocrine regulation, while growth factors are more commonly studied in the context of development, tissue repair, and proliferation. In practice, the categories overlap, especially for molecules like IGF-1 that behave in both ways.
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