metallic taste in mouth after b12 injection Why do I have the of metal my mouth? Doctor explains 6 potential causes funny taste in mouth after

Vitamin B12 made for injections come in vials or ampoules

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These include serious infection, uremia or renal failure, drugs with bone marrow suppression properties (e.g., chloramphenicol), or concurrent undiagnosed folic acid or iron deficiency anemia

Oral supplements are easy to take but absorption can vary

Following the CDC guidance of a 28-day refrigerated-use window, that works out to three 80 mg vials at the low 1.6 mg dose, three vials at the standard 3.2 mg dose, or four vials at the elevated 4.8 mg dose

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