As you may have guessed from vitamin B12’s listing above ... at risk for a folate deficiency and require supplementation. Vitamin B7 (biotin) deficiencies may cause symptoms like hair loss ...

This is up from 35,983 the year before, alongside 227,097 for other B vitamin deficiency, up from 201,320. Symptoms of B vitamin deficiency can vary but include fatigue, muscle problems ...

Having trouble walking or feeling unsteady could be alarming symptoms of Vitamin B12 deficiency. These issues often arise from nerve damage that affects your coordination and balance. If you have ...