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You can learn more about how B12 deficiency anemia causes these symptoms from Medical News Today

WHO defines anemia at Hgb below 13 g/dL for adult males and below 12 g/dL for adult females

However, advanced research is exploring encapsulation methods like liposomes or conjugation with larger molecules (PEGylation) to protect GHK-Cu from enzymes

If you experience unusual symptoms after starting B12 supplementationsuch as chest tightness, severe skin reactions, or unexplained symptomscontact your GP promptly
