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Journal of Chromatography B
B-100 complex can interfere with other medications including but not limited to levodopa, medicines containing oestrogen, hydrazine, certain anti epileptic drugs, phenobaritone, phenytoin, immunosuppressants and some medicines used to treat infections such as isoniazid, pyrazinamide, cycloserne and penicillamine
More serious vitamin B12 side effects may include the following: Allergic reactions, such as hives, trouble breathing, or swelling of the face, lips, tongue or throat