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It is mainly found in meat and dairy products
Please note that the other tests mentioned do not directly measure vitamin B12 levels but instead help assess factors related to B12 deficiency or excess
Injections may be selected for severe deficiency, neurologic symptoms, autoimmune gastritis/pernicious anemia, major malabsorption, poor oral response, or adherence concerns
Proper sterilization, correct needle size, and accurate placement are essential to avoid infection or injury
Recalls & Warnings April 08, 2003 FDA Acts Against Potentially Risky Products Illegally Marketed as Street Drug Alternatives On March 31, the Food and Drug Administration (FDA) announced enforcement actions against firms that are marketing street drug alternative products, some of which contain ephedra or other sources of ephedrine
