Dr Muhammad waqar hameed, Dr Muhammad Shahid Jamil, Dr Wajid Javed khan
Vitamin B -12 is an essential vitamin which is water soluble and helps in the formation of red blood cells, helps in nerve function, helps in cell metabolism and helps in DNA production. Vitamin B -12 is obtained from animal source like eggs, poultry, meat, and fish and from dairy products. Vitamin B -12 supplements are widely available in the market to treat the deficiency of B -12. The source of vitamin B 12 is expensive therefore the poor are not able to get it from their regular food and hence they have the deficiency of B 12.It is the capacity of the human body to store Vitamin B 12 for several years. But if a person is following pulses and vegetables in his routine diet he will definably get the deficiency of Vitamin B 12 because plant food is lacking this vitamin. The deficiency of vitamin B 12 can cause fatigue, anemia, mood disturbance, intestinal problem, muscle weakness and nerve damage. Vitamin B 12 is essential for growth and development of young children. Erythrocytes proliferation and maturations is with the help of vitamin B 12 and deficiency can lead to hemolysis and hyperbilirbinemia. The purpose of the study is to analyze the deficiency of B 12 in young, women and among older. The deficiency of vitamin B 12 is more than it is realized by the practitioner. It is vital to analyze the high risk group for diagnosing the deficiency especially for elderly and pregnant women. Better understanding of symptoms, diagnosis, pathology and treatment at early stage can help to reduce the potential risk and consequences of the vitamin B 12 deficiencies as compared to the cases where the deficiency remained untreated.