After the initial six weeks, the injections can be tapered down to being given less frequently, often once every one to two months
Frequent infections: These can also be symptoms of a vitamin B12 deficiency and may be accompanied by lightheadedness
Tseng, W., Somaiah, N., Lazar, A., Lev, D
This form of Vitamin B12 is readily converted by the body into Adenosylcobalamin and Methylcobalamin ready for the cells to absorb and use it
Lethargy: Decreased food intake combined with low red blood cell production, which leads to anemia, results in low energy levels
Slight cloudiness that doesn't clear suggests problems