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B12 deficiency can make you feel unusually irritable, anxious, or down
Last reviewed: April 2026
Cobalamin (vitamin B 12 ) Deficiency Investigation & Management Early treatment of cobalamin deficiency is particularly important because neurologic symptoms may be irreversible
These small vials are perfect and reduce the risk of contamination compared with large bottles
And anyone with severe renal impairment should discuss both compounds with their physician before proceeding
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