Taking in extra B12 through injections or supplements when your levels are already normal will not provide additional benefits
You should resolve whether you want to keep using your syringe until it is empty or start using a new syringe for every new injection
The refrigerator is its home
Vitamin B12, also known as cobalamin, is a water-soluble vitamin essential for several vital bodily functions, including energy production, nerve function, and red blood cell formation
Nutritional deficiency in the etiology of menorrhagia, metrorrhagia, cystic mastitis, and premenstrual tension
Finally, if the serum cobalamin concentration at the time of reevaluation is subnormal, further work-up is required to definitively diagnose the underlying disease process and cobalamin supplementation should be continued weekly or bi-weekly (for parenteral supplementation) or daily (for oral supplementation)