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The R-isomer is the biologically active form, though most supplements contain a 50/50 racemic mixture
One participant reported tightening up the process for diabetics to receive these medications
Growth hormone production peaks in adolescence and declines through adulthood, and IGF-1, the downstream messenger that drives muscle protein synthesis and tissue repair, declines along with it
Calorie intake falls
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Gastrointestinal models: gastric mucosa, epithelial barrier, and ulcer-repair pathways
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