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Crcep 16

However, he states that these effects are personal to his experience, and the efficacy of NAD+ supplements may vary across individuals

Transcriptomic studies Microarray and RNA-seq studies of cells exposed to GHK-Cu have reported broad gene-expression effects spanning collagen and matrix genes, antioxidant defense genes, DNA repair genes, immune-related genes, and cellular metabolism genes

These include: Mild nausea or digestive discomfort (more common with oral forms) Dizziness or lightheadedness Injection site irritation, redness, or swelling Possible changes in appetite These side effects typically go away on their own and do not pose long-term risks

Some people may notice improvements in energy levels or skin appearance within 2-4 weeks, while more significant changes in immune function or overall health may take 2-3 months of consistent supplementation