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Conversion Table for IU to mcg/mgUpdated a month ago

Please use the following table to calculate how many mcg/mg of a vitamin you are getting from your Seeking Health product if the label uses IU (international units) as a unit of measure or vice versa.

 

Vitamin Active FormsOther forms
 ARetinol: 1 IU = 0.3 mcg Beta-carotene: 1 IU = 0.6 mcg
DCholecalciferol (vitamin D3): 1 IU = 0.025 mcg  
E d-alpha-tocopherol: 1 IU = 0.67 mg  dl-alpha-tocopherol:  1 IU = 0.9 mg 

 

 

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