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[DOI] [PubMed] [Google Scholar] 122.Filippenkov I.B., Remizova J.A., Denisova A.E., Stavchansky V.V., Golovina K.D., Gubsky L.V., Limborska S.A., Dergunova L.V

suggested a difference in the individual MTHFR gene variation ( In contrast to the aforementioned study ( Importantly, we did not preselect patients based on a positive response to previous vitamin B12 injections, leading to more generalizable results in our study

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Patients often take B12 shots to improve their mood and energy levels, since B12 supports the production of serotonin and dopamine and encourages the conversion of food to energy
