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The other half is the copper: how much is present, and in what stoichiometric relationship to the peptide
Methylcobalamin is a form of Vitamin B12 that is already in its active form, which means it does not require conversion by the body to become biologically effective
It has no amino acids and no peptide bonds
Storage & Handling
If you do have a vitamin B12 deficiency, it will show up in different dermatological areas
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