"Jan. 16, 2013 -- The Center for Science in the Public Interest (CSPI) has announced its seventh annual Xtreme Eating Awards, and as usual, there are some eye-popping, belt-busting, and artery-clogging stats behind these oversized restaurant meals"...
B12 Side Effects Center
This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.
What is Prescribing information?
The FDA package insert formatted in easy-to-find categories for health professionals and clinicians.
B12 FDA Prescribing Information: Side Effects
Rarely, iron in therapeutic doses produces gastrointestinal reactions, such as diarrhea or constipation. Reducing the dose and administering it with meals will minimize these effects in the iron-sensitive patient.
In extremely rare instances, skin rash suggesting allergy has been noted following the oral administration of liver-stomach material. Allergic sensitization has been reported following both oral and parenteral administration of folic acid.
Read the entire FDA prescribing information for B12 (Liver-Stomach Concentrate With Intrinsic Factor) »
Additional B12 Information
Report Problems to the Food and Drug Administration
You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.
Weight Loss Wisdom
Get tips, recipes and inspiration.