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Presented for research literature review only Kang H et al
Clinical Evidence Gaps and What Remains Unanswered Despite decades of research interest, GHK-Cu lacks large, multi-center, placebo-controlled human trials
If a claim implies systemic benefits, treat it as a higher-uncertainty category and prioritise evidence quality over confidence
Small peptides can enter cells and influence signaling
The symptoms of MS can vary greatly from person to person but commonly include fatigue, vision problems, muscle weakness and spasms, difficulty walking, numbness or tingling in the limbs, and cognitive impairment
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