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  1. #1
    Rabduce is offline Associate Member
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    Question What is "Long R3 IGF1"??

    anyone know what "Long R3 IGF1" is??

  2. #2
    Rabduce is offline Associate Member
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    anybody????

  3. #3
    Blown_SC is offline Retired Vet
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    Use the search button lol

  4. #4
    dirtdawg's Avatar
    dirtdawg is offline Anabolic Member
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    Quote Originally Posted by Blown_SC
    Use the search button lol

  5. #5
    Blown_SC is offline Retired Vet
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    From http://forums.steroid.com/archive/in...p/t-79172.html

    The most effective

    form of IGF is Long R3 IGF-1, it has been chemically

    altered and has had amino acid changes which cause it

    to avoid binding to proteins in the human body and

    allow it to have a much longer half life, around 20-30

    hours. "Long R3 IGF-1 is an 83 amino acid analog of

    IGF-1 comprising the complete human IGF-1 sequence

    with the substition of an Arg(R) for the Glu(E) at

    position three, hence R3, and a 13 amino acid

    extension peptide at the N terminus. This analog of

    IGF-1 has been produced with the purpose of increasing

    the biological activity of the IGF peptide."



    "Long R3 IGF-1 is signifacantly more potent than

    IGF-1. The enhanced potency is due to the decreased

    binding of Long R3 IGF-1 to all known IGF binding

    proteins. These binding proteins normally inhibit the biological actions of IGF's."
    Last edited by Blown_SC; 03-01-2005 at 01:22 AM.

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