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Yes - benzyl alcohol preservative allows multi-draw use for up to 30 days when refrigerated after first use
As a result, eating a restrictive diet, such as a strict vegetarian or vegan diet, can lead to B12 deficiency
It helps your doctor adjust your treatment if needed
This is because stomach acid is needed to release vitamin B12 bound to proteins in food
If you are comfortable with higher concentrations and have steady hands with a syringe, the 10mg vial offers better value per milligram
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