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[8] The age-related decline and its implications The decline of circulating GHK from 200 ng/mL at age 20 to 80 ng/mL by age 60 correlates with reduced wound healing capacity, thinner skin, decreased collagen density, and slower tissue repair

This natural approach can help with a variety of goals, including building lean muscle, improving fat loss, and speeding up recovery from a sports injury

Scientific Research Overview The GHK-Cu literature gives a particular impression: a naturally occurring human tripeptide with high-affinity copper-binding chemistry, identified in the early 1970s, developed across five decades through wound-healing, extracellular-matrix, copper-biology, and cosmetic-research arms, and present in both the research peptide market and the cosmetic ingredient market in substantial regulated use

Morning fasted administration The most effective timing for AOD-9604 is morning administration in a fasted state