You can boil it down to this: If you are giving it to yourself consider using your thigh
it has been tested in ulcerative colitis and multiple sclerosis trials
It appears that maintaining adequate blood levels of the vitamin, like through supplementation, does improve birth outcomes ( SUMMARY A vitamin B12 deficiency can cause a range of mild to severe side effects, including anemia, weakness and fatigue, and birth defects in infants
Effect of choline supplementation on rapid weight loss and biochemical variables among female taekwondo and judo athletes. Journal of human kinetics 40 (2014): 77
It is used for research, as a diluent to reconstitute lyophilized peptides, proteins, and other research compounds
Book an appointment to get a vitamin b12 injection in Kent