Neuropsychiatric symptoms: B12 deficiency has been associated with mood changes, including depression, anxiety, and irritability
There are more water-soluble vitamins than there are fat-soluble ones ( Water-soluble vitamins include vitamin C, plus eight B vitamins: Vitamin B1 (thiamine) Vitamin B2 (riboflavin) Vitamin B3 (niacin) Vitamin B5 (pantothenic acid) Vitamin B6 (pyridoxine) Vitamin B7 (biotin) Vitamin B9 (folate) Vitamin B12 (cobalamin) Because water-soluble vitamins arent stored but rather excreted through urine, theyre less likely to cause issues even when taken in high doses
[Google Scholar] Sanjay C., Patil K., Nagabhushana D., Panda R., Mahima V
A study conducted on pregnant mice, the species with a very similar biological and behavioral makeup to humans, also found that B12 deficiency led to high cholesterol levels and a significant increase in body fat percentage in pregnant mice
No, and we will never claim it does