Their ability to repair tissues, which plays a key role in restoring an organs functionality after an injury, puts them in the forefront of current research in regenerative medicine
Essentially the injection may be a temporary measure to fix levels
Food Standards Australia New Zealand permits only a limited number of foods to be fortified with vitamin B 12
Because injections are thought to be cumbersome, and painful, and expensive
The most chemically complex of all the vitamins, methylcobalamin is a water-soluble, organometallic compound with a trivalent cobalt ion bound inside a corrin ring which, although similar to the porphyrin ring found in heme, chlorophyll, and cytochrome, has two of the pyrrole rings directly bonded
Doi:10.2174/13816128113199990421 Bock-Marquette I, Saxena A, White MD, et al