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Frequent infections: These can also be symptoms of a vitamin B12 deficiency and may be accompanied by lightheadedness

PubMed abstract and citation: Hay D.L., Poyner D.R

However, consistent use of GHK-Cu within a scientifically supervised plan can significantly improve density, texture, and scalp health, often surpassing results achieved with over-the-counter products alone

doi:10.2527/jas.2006-835

Patients with G6PD deficiencies cannot metabolize high levels of IV vitamin C, which is why blood work is vital to consider before administering high-dose vitamin C

Separately, Klothea Bio launched in November 2024 pursuing an mRNA-based approach to enhance endogenous klotho production