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If powder remains after 2-3 minutes, set the vial down and wait 5-10 minutes
The decision to take one or the other, or to explore their combination, should not be taken lightly
The most reliable patient-reported benefit is resolution of B12-deficiency fatigue within 48-72 hours
Supplements take a minimum of 60 days before becoming effective where as a B12 shot works instantly
Combining vial remnants Some researchers wonder if they can combine leftover solution from two vials into one
food intake and, where justified, pair-fed controls
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