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Methyl B12 is best taken as an intramuscular shot, nasal spray, or sublingually in high doses
4Do not exceed the recommended daily intake
Upon intravenous administration, ascorbic acid rapidly increases plasma concentrations, bypassing the limitations of gastrointestinal absorption that restrict oral dosing
Active and inhibited human catalase structures: ligand and NADPH binding and catalytic mechanism
doi:10.1016/j.numecd.2017.06.014 Djiogue S, Nwabo Kamdje AH, Vecchio L, et al
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