While understandable, it's important to note that "natural" doesn't guarantee safety or effectiveness, and supplements can have side effects and interactions
[1] [6] In healthy adults, vitamin B 12 deficiency is not common, mainly because body stores of the vitamin are substantial and turnover is slow, with relatively low dietary requirements
Curr Treat Options Psychiatry
It's a small, well-tolerated evening injection, always provider-supervised so it fits your bigger wellness plan
[DOI] [PubMed] [Google Scholar] 34.Nauck M.A., Kind J., Kothe L.D., Holst J.J., Deacon C.F., Broschag M., He Y.L., Kjems L., Foley J
So the benefit is real, but it is indirect and it depends on whether you were low to begin with