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Cyanocobalamin is the most widely available synthetic form, is shelf-stable, and is FDA-approved for treating B12 deficiency
Liposomal delivery systems encapsulate AHK-Cu in lipid spheres, potentially improving penetration through the stratum corneum and protecting the peptide from degradation
However, its common for blood tests to reveal inaccurate information regarding B12 levels since a high percentage is stored in the liver and not always revealed through testing (for example, taking large amounts of folic acid has been found to mask vitamin B12 deficiency in some patients)
The intranasal formulations are not approved to treat acute B12 deficiency
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 m filter before use.
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