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[DOI] [PMC free article] [PubMed] [Google Scholar] 176.Ohmoto, A

However, clinical evidence for MIC's additive benefit is limited
[DOI] [PMC free article] [PubMed] [Google Scholar] 170.Haynes AC, Chapman H, Taylor C, et al

If youre struggling with low levels, b12 injection vitamin treatments could be the solution you need

Nutritional yeast is another option that provides many nutrients for vegans