Although your doctor may put aside their concerns if/when you explain that you have been supplementing with vitamin B12, it's not outside the realm of reason that your doctor may still want to bring you in to rule out serious illness
Most therapeutic protocols use 12-24 week cycles based on research protocols and individual goals
At one month, realistic outcomes look like small but measurable shifts: a few pounds down if youve kept a sustained deficit, a slight waist reduction, steadier training, and improved daily activity
Too much B12: Signs, causes, and how to manage it
Injections are also advantageous for individuals who have undergone gastric surgery, as the procedure can: Decrease the number of cells needed to secrete stomach acid and intrinsic factor in the gastrointestinal tract Help bypass absorption challenges Provide adequate levels of the essential vitamin Immediate Increase in Blood Levels B12 injections can raise blood levels of the vitamin within 48 to 72 hours
The same studies can be located independently on PubMed using the CAS number (13441-78-4) or the compound name