If you have a temporary deficiency or increased requirement (say, after a surgery or during recovery from an acute illness), you might only need a short course, perhaps a few weeks of injections, until your vitamin levels normalize or you can meet your needs by mouth again
Possible side effects may include mild nausea, flushing, or a temporary metallic taste, but most side effects are rare and short-lived
"After my consultation, I felt confident that the doctors knew exactly what my body needed
By enhancing energy metabolism, they help the body convert food into usable energy more efficiently
They are compounded preparations of nutrients and amino acids
Just taking large amounts of B12 supplements does not mean that your body will be able to use all of it