I really hope that my 1 month supplementation hasnt caused damage
A recent meta-analysis of 12 observational studies found that higher dietary intake of vitamin B 12 was associated with a 23% lower risk of depression compared to lower intakes, but stratifying the data revealed a significant protective association in females, not in males (99)
The bottom line
In a pre- and postnatal development study of SNAC exposure, an increase in gestation length, an increase in the number of stillbirths, and a decrease in pup viability were observed
Without a preservative, every needle entry introduces contamination risk
Physical examination may reveal pallor, glossitis, neurological signs such as reduced vibration sense or proprioception, and in advanced cases, ataxia or cognitive impairment