Long R3 IGF-1 is an 83-amino acid peptide whereas IGF-1 is a smaller peptide. The IGF-1 molecule, when elongated and R3-modified, has the property of resisting "binding", something similar to testosterone binding, which basically makes the molecule useless. Long R3 also has a longer half-life.
Long R3 IGF-1 is an 83-amino acid peptide whereas IGF-1 is a smaller peptide. The IGF-1 molecule, when elongated and R3-modified, has the property of resisting "binding", something similar to testosterone binding, which basically makes the molecule useless. Long R3 also has a longer half-life.
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