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Vitamin B12 (Cyanocobalamin)
Recommended Daily Intake
Food Sources
Eggs
Meat
Poultry
Fish
Dairy Products
Problems Associated with Deficiencies
Anemia
Severe neurological disease
Soreness of the tongue
Weakness
Functions/Potential Benefits at Recommended Levels
Helps form red blood cells and build vital genetic material (nucleic acids) for the cell nucleus
Necessary for reducing the risk of certain forms of anemia
Aids in the function of all body cells, especially nerve, red blood and brain cells
Potential Benefits Under Investigation
Along with vitamins B6 and folate, supplemental B12 may help those with inadequate intakes prevent a rise in blood levels of homocysteine, which is believed to be a risk factor in heart disease
Aids in the treatment of dementia
Special Considerations/Possible Adverse Effects with Excess Intake
No risk of adverse effects from supplemental vitamin B12 to the general population at doses that are several folds higher than the current RDA for vitamin B12.
* Information in this chart is not intended to provide a complete review on any topic.
** The information in this chart is in reference to healthy adults only, not to children or pregnant and lactating women. |
