Vitamin B12 plays a vital role in cell metabolism; it's a water-soluble vitamin that is also known as Cobalamin. Vitamin B12 has the largest complex structure in vitamins and has multifarious benefits. Some of them include maintaining healthy nerve cells (keeping the normal nervous system) and red blood cell production. It's also good for the skin, hair, and nails. Man-made vitamin B12 is known as Cyanocobalamin and it's also recommended by Vegan experts. Symptoms of Vitamin B12 Deficiency: Vitamin B12 deficiency can have various symptoms but the main of them are as follows: Pale Skin Mouth Ulcer Fatigue Hair loss Disturb Vision Depression (Prolong Vitamin B12 deficiency results in nerve damage) Loss of appetite Short of breath Causes of Vitamin B12 Deficiency: There are some reasons for Vitamin B12 deficiency that should be treated in order to cure Vitamin B12 deficiency. The following are the main of them. Pernicious anaemia Conditions that a