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B12 Info.com (formerly B12 Deficiency Info) lists sources of support

Supports healthy skin, hair, and nails : B12 plays a role in cell production, which can improve your appearance

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Notably, one participant with a history of B12-responsive acne developed lesions following B12 administration during the study

Xu Y, Pan Q, Wang C, He C, Su Z, Guo X, Zhang J, Kong M, Ke S, Zhang J, et al

I haven't even been a member a full year yet and I am amazed at the dedication of everyone who responds to helping via emails and the NORM Organization itself