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The product itself does not automatically require medical authorization
I also love that it lets me track my protein and water intake
When serum B12 falls in the gray zone, methylmalonic acid testing is recommended to clarify whether a functional deficiency exists
One of its many roles is nerve regeneration, and regulating and protecting against nerve damage
doi:10.1155/2013/972913 Vacchi-Suzzi, Caterina et al
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