Obviously officially we cannot advise you to use anything that is out of date
How People Describe the Taste The most consistent description is a metallic or "dirty pennies" taste
[3] Youll want to consider your particular routines to determine how best to supplement your diet with B12 or consider having your vitamin B levels tested
Under a doctors supervision, both nutrients can be used together
Cyanocobalamin is indicated for vitamin B12 deficiencies due to malabsorption which may be associated with the following conditions: Addisonian (pernicious) anemia Gastrointestinal pathology, dysfunction, or surgery, including gluten enteropathy or sprue, small bowel bacteria overgrowth, total or partial gastrectomy Fish tapeworm infestation Malignancy of pancreas or bowel Folic acid deficiency It may be possible to treat the underlying disease by surgical correction of anatomic lesions leading to small bowel bacterial overgrowth, expulsion of fish tapeworm, discontinuation of drugs leading to vitamin malabsorption (see Drug Interactions), use of a gluten-free diet in nontropical sprue, or administration of antibiotics in tropical sprue