I was told that too much B12 is as dangerous as too little, and causes the same neurological symptoms
There is no established research on long-term, uninterrupted human use, so cycling is the prudent approach
Its fine for immediate, one-shot dilutions but unsuitable for ongoing research protocols
This decline accelerates during caloric restriction, making the deficit state particularly catabolic
Your GP can assess whether symptoms relate to B12 intake, adjust dosing, or investigate alternative causes
[18] [19] Rapidly progressive neurologic deficits, gait disturbance, or confusion warrant urgent evaluation