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Clinical data is lacking
You should understand each ingredient in the shot and talk to your doctor about all of them to make sure theyre safe for you given your unique medical history and current medications
For many individuals, oral B12 supplements are ineffective due to such underlying conditions as: Pernicious anemia : People with this condition lack intrinsic factor, a protein required for B12 absorption in the small intestine
Scale changes typically appear within 2-3 weeks
If the available vial shows Vitamin B12 injection 1000 mcg, confirm whether the wording refers to the amount per mL or the amount in a dose
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