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Pre-existing conditions such as liver disease, kidney problems, or known allergies can increase the risk of adverse reactions
There are also methylmalonic acid (MMA) tests that provide a more complete analysis of the vitamin B12 available in your body
Vitamin B12 is a powerhouse nutrient that plays a huge role in keeping your body running smoothly
It is advised not to drive or operate heavy machinery after use of this medicine as it may cause blurring of vision and may affect your ability to drive
Adults usually get 0.5 to 1 mL (500 to 1,000 mcg) weekly
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