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B12 is also important for healthy hair, skin, and nails, thanks to its role in cell production and renewal

As scientific context only

Medically reviewed by Shari Forschen, NP, MA This article was medically reviewed by Shari Forschen, NP, MA

The validity of diagnostic vitamin B 12 or folic acid blood assays could be compromised by medications, and this should be considered before relying on such tests for therapy

The fine gauge needles minimize injection discomfort for subcutaneous administration

This status underscores the importance of sourcing from reputable, high-quality compounding pharmacies that adhere to stringent quality and purity standards