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Nutrients 2021, 13 (6)
The apo-peptide (GHK without copper) shows significantly reduced activity in most research models
Growth hormone levels naturally decline with age, and this decline is closely associated with many of the physical and cognitive changes that come with aging
clinics must handle GHK-Cu injections with extra caution
Targeting the biology of ageing with mTOR inhibitors to improve immune function in older adults: phase 2b and phase 3 randomised trials
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