side effects of b12 injections when pregnant What is the safety Vitamin (Cobalamin) during pregnancy and their potential impact on the menstrual cycle? Vitamin B12 Deficiency: Symptoms, Causes
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I think this clean of a diet would make a celebrity weep
B12 deficiency can affect anyone, regardless of dietary choices

In those cases, providers need additional testing

References Herrmann W, Obeid R (2012) Cobalamin deficiency

There are also vitamin pills that provide one serving of the vitamin or a group of vitamins

This inconsistency sometimes leads people to think the medication has stopped working when the issue is actually variable absorption from inconsistent technique
