can you overdose with vitamin b12 injections Vitamin B12: Symptoms, Dosage &
Description
I started out with a similar level (after a holiday in the south of France) but with a year plus of taking 2000iu d3 with 90mcg k2 daily it reached over 90

43 The recommended daily allowance of vitamin B 12 is 35 g/day (2.4 g/day for adults, 1.2 g/day for children up to 8 years of age, and 2.6 g/day for pregnant women and breastfeeding mothers)
Bupropion, a nonselective dopamine- and norepinephrine-reuptake inhibitor, is considered to reduce weight by stimulating hypothalamic POMC neurons

So, all connected
But, as above, those with impaired kidney function or Liebers Optic neuritis should not use cyanocobalamin

PMID: 11673763
