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For comparison, a B12 tablet leaves you with only 1.2% of B12 in the tablet
In all the five studies, an oral (Delpres study via sublingual route) dose of 1000 g vitamin B 12 was used with the exception of Kuzminskis study, whereby a higher dose of 2000 g was used
The amount of drug reaches the circulation, the effects are stronger
Vitamin B12 deficiency may cause problems with thinking, which doctors refer to as cognitive impairment
Phlebotomy tips often focus on blood draws, not injections
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