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Aronica, E., Gorter, J

GHK-Cu and Gene Expression Research Research using the Broad Institutes Connectivity Map found that GHK is capable of up- and downregulating at least 4,000 human genes, with studies identifying 47 DNA repair genes stimulated and 5 suppressed findings that suggest a broad regulatory role at the genomic level

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NMN is well tolerated in healthy participants who received 300, 600, or 900 mg per day for a total of 60 days 322,323 , with all NMN doses increasing blood NAD + levels, and no adverse events were observed

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