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Evidence suggests that certain products are more beneficial, especially methylated multivitamins that contain active forms of B vitamins like B12 and folate
Use within 14 days
Note: this is not the same as having a metallic taste in your mouth, which can be a sign of vitamin B12 deficiency
Supplementary material The Supplementary Material for this article can be found online at: References 1 CarradoriS.Di GiacomoN.LobefaloM.LuisiG.CampestreC.SistoF
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