Supplements and injections are effective ways to treat vitamin B12 deficiencies. These are the benefits and potential risks ...

B 12, folate, and iron levels before and during ... anaphylactic shock (may be fatal; do test dose if hypersensitivity suspected).

may require higher dose. Use injectable form if disease is severe or GI absorption impaired. Rule out or treat vitamin B 12 deficiency prior to treatment. May obscure diagnosis of pernicious anemia.

Supplements and injections are effective ways to treat ... The daily recommended dose of vitamin B12 is 2.4 micrograms. If you eat a well-balanced diet full of chicken, seafood or eggs, you ...