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Promotes Healthy Skin, Hair, and Nails: B12 is vital for maintaining healthy skin, hair, and nails, contributing to a more youthful and vibrant appearance

doi: 10.1080/23723556.2018.1432260

If you're experiencing any of these symptoms, you should visit your GP." Is a vitamin B12 deficiency serious

Therefore, serum B 12 values above the cut-off point of deficiency do not necessarily confirm adequate B 12 status
