igf-1 lr3 muscle study What is LR3? Insulin-Like Growth Factor 1 Long R3 (IGF-1 LR3) is a modified version of IGF-1 with a longer half-life, making it significantly more potent and effective for growth IGF-1 LR3 + MASS Cycle
Description
Together, they hit GH production from two angles simultaneously, generating a stronger and more sustained pulse than either peptide produces alone

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Fujii J, Homma T, Kobayashi S

Totowa, N.J.: Humana Press
