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Year : 2014  |  Volume : 1  |  Issue : 1  |  Page : 5-9

The metabolic processes of folic acid and Vitamin B12 deficiency


Department of Health Sciences, Qatar University, Doha, Qatar

Correspondence Address:
Lubna Mahmood
Department of Health Sciences, Qatar University, Doha
Qatar
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/2394-2010.143318

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Vitamins are the organic compounds required by the human body and are considered as vital nutrients needed in specific amounts. They cannot be synthesized in a sufficient amount by the human body; so, they must be obtained from the diet. Thirteen different types of vitamins are known that are classified by their biological and chemical activity. Each one of them has a specific role in our body. Folic acid has a vital role in cell growth and development through many reactions and processes that occur in the body, e.g. histidine cycle, serine and glycine cycle, methionine cycle, thymidylate cycle, and purine cycle. When the body becomes deficient in folic acid, all cycles that are mentioned above will become ineffective and lead to many problems, in addition to other problems such as megaloblastic anemia, cancer, and neural tube defects. Vitamin B12 has a vital role in cell growth and development through many reactions and processes that occur in the body. When the level becomes elevated or lower than the normal, the whole process will collapse because each process is linked to another. Deficiencies can be treated by increasing their consumption in diet or by supplement intake.


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