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For sublingual use, methylcobalamin may offer advantages because it is absorbed directly into the bloodstream without requiring conversion
Since B12 is not created by the human body, it can be supplemented via this method if your diet is insufficient
However, this delay is a dose-dependent effect, meaning your stomach is following the medications chemical instructions rather than experiencing permanent physical injury [3] [10]
If you have low levels of vitamin B12, you may experience sensations such as numbness or tingling in the hands, legs, or feet, difficulty walking caused by problems with balance, or having an inflamed, swollen tongue