Your provider sets frequency based on your labs, your symptoms, and how your body holds onto B12 between doses
Slower Results : It can take longer to experience the benefits of oral B12 supplementation compared to injections, especially if B12 levels are already very low
The calculator displays the volume to draw in both milliliters and syringe units, and the meter fills to show roughly where to stop pulling the plunger
This results in a more consistent, non-jittery improvement in metabolic efficiency
However, the manner of administering the injection may change depending on the amount of fat under your skin
Some conditions, like pernicious anemia, make it hard for your body to absorb B12