igf-1 lr3 minimize side effects 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 muscle growth HGH vs IGF-1 LR3: Scientific
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Cui et al

The transfer of -aspartyl moiety was higher than the transfer of -glutamyl moiety, thus making it a novel GGT exhibiting both -glutamyl transferase and -aspartyl transferase activities

Lynch JW

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