If you have vitamin B12 deficiency from pernicious anemia or as a result of bariatric surgery, then you must supplement with vitamin B12 regularly in order to prevent debilitating symptoms such as fatigue, depression, muscle pain, memory loss, and other signs of cognitive and neurological breakdown
You can also crush each tablet and add it to their food if that makes things easier
A normal level is 400 pg/mL or higher
Supplementing with B12 can enhance energy levels, sharpen focus, and support overall cognitive performance
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B12 is essential for the methylation reactions required to produce the lipids and proteins that constitute myelin