bac water vs sodium chloride 0.9% Bacteriostatic (BA 0.9%) – The Water Store Bacteriostatic Saline vs Sodium Chloride:

In other words, you get B12 at the same rate you use it

You can irrigate, and five days later its dry

Here is a revised and more accurate explanation of the reasons a UK GP surgery might refuse to give a B12 injection a day earlier than scheduled, incorporating the points youve raised and providing a more scientifically grounded perspective: 1

How much Vitamin B12 do we need

[5] [6] Progressive neurological symptoms may require same-day assessment

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