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If needed for a clear medical indication (such as treating pellagra in a pregnant patient), niacinamide can be used with caution, but unnecessary high-dose B supplementation is avoided in pregnancy
Oral supplements are a fine choice for many people, particularly for maintenance or for otherwise healthy vegans
The usual vitamin B12 intramuscular dosage is often suggested for treating deficiencies
The loss of hair can also be a side effect of some drugs, like those used for cancer, arthritis, depression , gout, and high blood pressure
Emma M., review from WhatClinic Please note that results vary from person to person due to lifestyle, external and internal factors, and genetic predispositions