Having an MTHFR variant does not mean you are broken
Prescription and Pharmacy Fees If a prescription for Vitamin B12 is necessary and filled at an outside pharmacy, there may be an additional dispensing fee charged by the pharmacy
However , scientific proof for this mainly applies to people who already have a deficiency
Cyanocobalamin, vitamin B12 preparations containing benzyl alcohol should be avoided in premature neonates because benzyl alcohol has been associated with gasping syndrome, a potentially fatal condition characterized by metabolic acidosis and CNS, respiratory, circulatory, and renal dysfunction
According to the National Institutes of Health, your body can store up to 2,000 times the amount of B12 you typically get in a day