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GHK-Cu dose for general wellness and longevity For patients using GHK-Cu as a broad longevity compound, conservative dosing over extended cycles is ideal

Subsequent summaries report randomized, placebo-controlled trials evaluating IGF-1, glucose tolerance, and immunogenicity endpoints in research settings

No study has compared injecting near an injury against injecting elsewhere for these compounds "inject near the injury" is a reasonable, low-cost default, but it is practitioner convention, not an evidence-backed advantage