the usual tiredness after a busy day; it persists even after sufficient rest. The reason is that vitamin B12 is essential for the production of red blood cells, which carry oxygen throughout the body. A B12 deficiency leads to reduced production of these cells, meaning less oxygen reaches the tissues and organs. This results in feelings of weakness, fatigue, and confusion. Taking vitamin B12 supplements can help improve these symptoms by increasing red blood cell production and improving oxygen delivery to the body’s cells.
Depression
Vitamin B12 plays a vital
