However, it is contraindicated for those with certain health conditions and is far less effective for individuals with methylation impairments
When administered or supervised by a provider, this is straightforward
It could protect nerves from chemotherapy damage
When certain nutrients are deficient, serotonin, dopamine, and GABA production suffer
Deficiency of vitamin B12 has been loosely associated with dementia and impaired cognitive functioning in elderly patients
References: Seiwerth S, Milavic M, Vukojevic J, Gojkovic S, Krezic I, Vuletic LB, Pavlov KH, Petrovic A, Sikiric S, Vranes H, Prtoric A, Zizek H, Durasin T, Dobric I, Staresinic M, Strbe S, Knezevic M, Sola M, Kokot A, Sever M, Lovric E, Skrtic A, Blagaic AB, Sikiric P