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Most commercial products (including Hospira 30 mL vials, the standard used in research) carry a 23 year expiration from manufacture
Because its so vital, a deficiency can throw a lot of things off balance
Revitalize your body Vitamin Boosters Have you been more tired than usual lately
Antibodies against intrinsic factor in fact only pick up less than 30% of cases of pernicious anaemia and it is very unhelpful when people have this test and they are told because it is negative they have no need for B-12 injections
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