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Take your 23-gauge needle and replace the other needle used to get the saline fluid into the syringe, and ensure you have 2ml of fluid in the syringe
Holotranscobalamin and the metabolic markers provide a more informative assessment of functional B12 status than total B12
Common causes include: Reduced dietary intake People following vegan or strict vegetarian diets can be at higher risk if theyre not using B12-fortified foods or supplements
It does not reduce appetite
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