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Both Vitamin B12 and the components of MIC shots have been associated with potential mood and cognitive benefits

Nutrients 10 , 372 (2018)

10.1038/s41585-023-00764-9 [DOI] [PubMed] [Google Scholar] Scheid E., Major P., Bergeron A., Finn O

In some formulations, the preservatives not only inhibit microbial growth but also influence the ciliary movement within the nasal passages (Gnger and Schindowski, 2018)
