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IGF-1 Lr3 (Insulin-like Growth Factor-I Long R3) is an 83 amino acid analog of human IGF-I comprising the complete human IGF-I sequence with the substitution of an Arg for the Glu at position 3 (hence R3), as well as a 13 amino acid extension peptide at the N-terminus
PMID: 3954457
Support Energy Production: Say goodbye to midday crashes and fatigue
Glutathione can also support a healthy immune system
A study published in the European Journal of Clinical Nutrition highlighted the superior bioavailability of IV-administered glutathione compared to its oral counterpart
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