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Vitamin B12, also known as vitamin A, supports red blood cell formation in the body

Methods for the analysis of vitamin B 12 in food Several methods have been used to determine the vitamin B 12 content in foods including microbiological assays, chemiluminescence assays, polarographic, spectrophotometric, and high-performance liquid chromatography processes

Additionally, if they have parts of the inflamed terminal ileum removed, the risk for malabsorption is increased

The Forms at a Glance Vitamin B12 exists in several molecular forms

Below is a list of the most common usage problems in relations to transport molecules: Deficiency of Transcobalamin II Certain rare hereditary diseases lead to a deficiency of transcobalamin II, meaning that a vitamin B12 deficiency can emerge despite a good supply

Heres what to watch out for: Persistent Fatigue Feeling drained even after a whole nights rest