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This vitamin is required in the production of red blood cells
This option is especially appealing for individuals who prefer a non injectable format or want a convenient, travel friendly solution
So 0.1 mL is 10 units, 0.5 mL is 50 units, and 1 mL is 100 units
Even in the most recent years, such people underwent simple lab testing to exclude significant diseases, with serum B12 levels of just within the reference ranges often labelled as normal
Neuron 105 , 276292.e5 (2020)
They can be legally sold online for research use only and not for human consumption, yet their marketing heavily implies otherwise
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