FOR RESEARCH PURPOSES ONLY! - NOT FOR HUMAN CONSUMPTION!
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What is IGF-1 LR3?
IGF-1 LR3 (Long Arg3 Insulin-like Growth Factor-1) is a synthetic, 83-amino-acid analog of human IGF-1. This advanced research peptide is modified structurally with a replacement of Glutamic acid by Arginine at position 3 (Glu3Arg), alongside a 13-amino-acid extension peptide at the N-terminus. In biochemistry and cellular growth literature, these precise modifications are heavily studied because they drastically lower the peptide's affinity for endogenous insulin-like growth factor-binding proteins (IGFBPs). As a result, the compound remains biologically active in testing mediums far longer than native IGF-1, exhibiting a half-life of approximately 20 to 30 hours to allow for stable, extended longitudinal evaluation.
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FOR RESEARCH PURPOSES ONLY! - NOT FOR HUMAN CONSUMPTION!


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