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Epidemiology: High levels of vitamin B12 were found in: Causes: Excessive supplementation (a direct increase in plasma vitamin B12 by excess intake or administration) Increased release of vitamin B12 from tissue stores (liberation from an internal reservoir): Solid tumors (especially hepatic or hematologic malignancies) Liver metastases Increased binding proteins: 7 Excess production: Liver disease (e.g., hepatitis, cirrhosis, hepatocellular carcinoma) damaged hepatocytes release haptocorrin (transcobalamin I) and B12 into circulation Myeloproliferative disorders these increase granulocyte production, which leads to more haptocorrin (transcobalamin I/III), a B12-binding protein produced by proliferating myeloid cells

GHK-Cu affects over 4,000 human genes according to research, with particularly strong influences on genes related to tissue remodeling, antioxidant protection, and cellular regeneration

Nicotinamide N-methyltransferase is regulated by fasting and liver X receptors

It's also a good idea to avoid mixing copper peptides with strong oxidizing acne treatments like benzoyl peroxide in the same step, as this can exacerbate skin irritation and compromise peptide stability

These can inform B12 deficiency likelihood
