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does b12 injections keep you awake Feeling worse after Injection: Answering concerns Why do I experience insomnia
Description
Improves mood - B12 plays a role in producing serotonin, the feel-good hormone
[DOI] [PMC free article] [PubMed] [Google Scholar] 38.Bhate V, Deshpande S, Bhat D, Joshi N, Ladkat R, Watve S, Fall C, de Jager CA, Refsum H, Yajnik C

They also help protect against infection by breaking down bacteria and fungi

The "cocktail" of vitamins that most of us are deficient had me leaving feeling great