how often should b12 injections be taken Long Does Injection Take To Work what time of day to
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Neoplasms (except in cases of vitamin B12 deficiency and megaloblastic anemia)

Ann Indian Acad Neurol

1.What Is Meant By Vitamin Injection
In healthy people with normal B levels, additional B has no effect on energy metabolism

Strict vegetarians develop deficiency of B 12 and must take fortified supplements (Black, 2008)