topical ghk cu vs injectable GHK-Cu Injection A Dermatologist's Take on the

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Both peptides have demonstrated favorable tolerability in preclinical research

IGF-1 LR3 10-Vial Kit IGF-1 LR3 10 Vial Kit IGF-1 LR3 (Long Arg3 Insulin-Like Growth Factor-1) 1mg (Lyophilized Peptide) 10 Vial Kit For Research Use Only IGF-1 LR3 is a synthetic analog of human Insulin-Like Growth Factor-1 (IGF-1), modified to extend its half-life in vitro through substitution of arginine at position 3 and removal of the first three amino acids of the native IGF-1 sequence

References Lopez-Otin, C., Blasco, M