side effects of b12 injections in humans Vitamin B12: Overdose and Vitamin B12 shots: Uses, benefits,

Fatal hypokalemia may occur when severe megaloblastic anemia is treated intensively with vitamin B12, as a result of increased erythrocyte potassium requirements

Intravenous Vitamin B12 shots can be given intramuscularly , subcutaneously , or intravenously

Shop Performance Lab B-Complex References Gana W, De Luca A, Debacq C, et al

This can lead to an unusual situation where plasma B12 levels are high, but the bodys cells are actually deficient in usable B12

For cats with inflammatory bowel disease, the most common recommended schedule for B12 injections is to give 250 micrograms per cat once a week for six weeks