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Vitamin B12 dose
Health - Nutrition and Medicine
Monday, 20 October 2008 05:19

With the Vitamin B12 dose calculator you can compute an estimate of your daily vitamin B12 intake. Vitamine B12 (cobalamin) is an essential vitamin for your body. Only products from animal origin (meat, fish, milk, cheese, eggs) contain Vitamin B12 but sometimes it is artificially added to other products such as butter. The daily recommended dose is around 2.5 μg. For lactating and pregnant women this is around 3 μg. These recommendations vary somewhat between different health institutions.

A deficiency of vitamin B12 takes a couple of years to develop since the human body stores excess vitamin B12. One of the symptoms of a defiency is tiredness. An excess intake of vitamin B12 appears harmless, at least as far as we know.

Click on the tab "Instructions" for instructions for using the Vitamin B12 calculator.

Food Type Amount Frequency
per jaar
μg per unit
Pork (g)

Total computed Vitamin B12 (μg/day):

  • Click on the plus signs (+) in the food list and then populate the fields in the the table below that list.
  • Click the minus signs to remove entries from the table.
  • You can save your input in a html file by clicking the button Save input to HTML table.
  • In the tab Import HTML tabel you can load previously saved input into the calculator.
  • It is also possible to enter food data with its B12 concentration. Use the input box behind Other to specify the name of the food. Then click the plus sign this field. In the table appears a new row with the name you just specified along with an amount field, a frequency field and a concentration field.
  • You can use expressions inside the field frequency, amount and concentration.
See also this example computation.

The Vitamin B12 Calculator can also load data from an html table. Cut and paste a previously exported HTML table to the field below and click Load into Calculator.