It usually takes a glitch in your genetic code for this to happen and it typically takes decades
Researchers believe that low vitamin B12 levels lower homocysteine levels in your bloodstream
This combination is often explored in studies related to endocrine signaling rhythms, pulse modeling, metabolic readouts, and timing-dependent assay development
Advantages of oral form over IM injection: Less nursing time on injections Less complexity of care Less discomfort/pain Less bleeding in patients who take anticoagulants Less costly according to some analyses Disadvantages of oral form over IM injection:: Greater risk of non-compliance In 1991, a survey done on Minneapolis internists led one commentary to conclude that oral vitamin B 12 replacement for pernicious anemia was one of medicines best kept secret. 18 In 1996, when the survey was repeated again in the same area, awareness and use of oral vitamin B 12 for pernicious anemia had increased substantially (019%), but the majority of doctors still remain unaware of this treatment option (61%)
The way to measure this would be to run a titer, which measures the amount of antibodies or virus in the body after injection
B12 injections are clinically indicated for specific patient groups with documented deficiency or conditions affecting B12 absorption