Long-term safety data beyond 24 weeks is limited
Certain conditions may blunt or impede therapeutic response to cyanocobalamin therapy
For maintenance or prophylactic use (such as in a patient with short-gut syndrome who cannot absorb oral vitamins well), a common regimen is 1 mL IM once weekly
There are not many foods that contain vitamin D, but you can find it in fortified milk, fortified cereals, and fatty fish like salmon, mackerel, and sardines
Health professionals are often confronted by complaints about fatigue and perceived psychological or cognitive difficulties
Then it must travel all the way through the small intestine to the far end, the terminal ileum, where it can pass into the blood stream