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Future research should prioritise long-term outcomes in high-risk groups, comparisons of physiological versus pharmacological dosages in healthy subjects, cost-effectiveness analyses, and adherence monitoring to inform clinical guidelines for the management and prevention of B12 deficiency

Some common side effects may include: Irritation at the injection site Fatigue Nausea Storage Store at controlled room temperature

Dose adjustments may be necessary based on various clinical scenarios and patient-specific factors

This level of gene modulation is unusual for a naturally occurring tripeptide and positions GHK-Cu as a pleiotropic signaling molecule rather than a single-target therapeutic agent