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Home / Research library / IGF-1 LR3

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IGF-1 LR3: molecular data, studies & sources

IGF-1 LR3 is catalogued here as a research compound. This profile brings together the molecular source record, selected indexed publications and available supplier comparisons. Evidence for a named substance does not authenticate a commercial product.

Compiled by PeptideTech Editors · Sources checked · Selected bibliography, not a systematic review

Molecular formula, weight & structure

Molecular record not yet resolved

A sufficiently specific molecular record was not resolved for this name. Formula, molecular weight and structure are withheld until the exact sequence, salt or preparation can be verified.

MF: not assigned · MW: not assigned · Structure: not assigned

Registered clinical trials

Studies registered on ClinicalTrials.gov that list Long R3 IGF-I as an intervention. Studies that only measure the molecule as a biomarker, or use it only as a comparator or background arm for another drug, are excluded. A registration describes a planned or completed protocol; it does not report a result. Active studies are listed first.

No registered study naming this compound was matched. This is a documented gap in registry coverage, not proof that no study exists.

Registry check 2026-10-01 · Run this search on ClinicalTrials.gov

Human intervention studies

Selected studies in which participants received Long R3 IGF-I, with their indexed or reviewed study type. Check the original article for the formulation, population and controls. Studies that only measured the molecule, or used it as a comparator, are listed separately below and are not counted as intervention studies.

No human study that administered this compound was retained in this selected bibliography. This is a documented evidence gap in our selection, not proof that no study exists.

    Preclinical research, reviews & other publications

    Animal studies, laboratory experiments, reviews and other indexed papers answer different questions. A review is secondary evidence; a case report does not estimate how often an outcome occurs.

    1. Preclinical / laboratory research

      The somatotropic axis in neonatal calves can be modulated by nutrition, growth hormone, and Long-R3-IGF-I.

      Hammon H, Blum JW · The American journal of physiology · 1997

      PMID 9252489 · DOI: 10.1152/ajpendo.1997.273.1.E130

    2. Preclinical / laboratory research

      Effect of recombinant porcine IGFBP-3 on IGF-I and long-R3-IGF-I-stimulated proliferation and differentiation of L6 myogenic cells.

      Xi G, Kamanga-Sollo E, Pampusch MS et al. · Journal of cellular physiology · 2004

      PMID 15254966 · DOI: 10.1002/jcp.20068

    IGF-1 LR3 supplier sources

    Scientific sources describe molecules and experiments. The commercial links below identify recorded supplier packages. A publication or chemical database entry does not verify the seller, purity, sterility or contents of a lot. Some links are affiliate links; see our disclosure.

    IGF-1 LR3 for sale: compare prices, sizes and forms from every tracked supplier →

    SupplierRecorded packagesExample source listing
    American PeptidesUSD1mg Vial1 recorded offers1mg Vial · $85.00Recorded out of stock · Checked Nov 6, 2026Supplier listing, IGF-1 LR3 1mg Vial, American Peptides, opens in a new tab
    Amino ClubUSD1mg Vial1 recorded offers1mg Vial · $69.99Stale observation · Checked Oct 14, 2026Supplier listing, IGF-1 LR3 1mg Vial, Amino Club, opens in a new tab
    Nova Peptide SupplyUSD1mg Vial1 recorded offers1mg Vial · $79.99Checked Nov 6, 2026Supplier listing, IGF-1 LR3 1mg Vial, Nova Peptide Supply, opens in a new tab
    Amino USAUSD1mg Vial1 recorded offers1mg Vial · $70.00Checked Nov 6, 2026Supplier listing, IGF-1 LR3 1mg Vial, Amino USA, opens in a new tab
    Cenexa LabsUSD1mg Vial1 recorded offers1mg Vial · $78.99Checked Nov 6, 2026Supplier listing, IGF-1 LR3 1mg Vial, Cenexa Labs, opens in a new tab
    LA PeptidesUSD1mg Vial1 recorded offers1mg Vial · $59.99Checked Nov 3, 2026Supplier listing, IGF-1 LR3 1mg Vial, LA Peptides, opens in a new tab

    Reference sources & further reading

      The citations above link directly to publication records. Encyclopedia links are background reading and are not used to establish clinical effectiveness.

      Search for additional research

      These links run searches; their results have not been individually reviewed and can include unrelated compounds.

      Research information is not a dosing guide or a recommendation for personal use. Study findings are specific to the formulation, population and methods tested. Read our source and correction policy.

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