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Mineral balance (zinc-to-copper ratio) influences systemic effects

While a study in chronic insomnia patients has reported that short-term DSIP administration is unlikely to be of major therapeutic benefit, a 16-month study in mice found that long-term DSIP administration increased maximum life span and decreased the rate of tumor growth [22, 23]

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Studies on cultured skin keratinocytes show that GHK-Cu protects them from reactive carbonyl species, protein glycation, and the photoaging effects of ultraviolet (UV)-radiation [16]

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