Just Published! The Evidence Analysis Library is pleased to announce the publication of the Disorders of Lipid Metabolism Saturated Fat Evidence-Based Nutrition Practice Guideline. View the guideline.
Disorders of Lipid Metabolism
DLM: Vitamin A Equivalents (2007)
VITAMIN A EQUIVALENTS
Vitamin A exist in a number of different forms having different biological activities. The mass equivalents of 1 IU are:
To convert Vitamin A as retinol:
-
From IU to mcg: IU * 0.3 = mcg
-
For example: 5000 IU * 0.3 = 1500 mcg
-
From mcg to IU: mcg / 0.3 = IU
To convert Vitamin A as beta-carotene:
-
From IU to mcg: IU * 0.6 = mcg
-
For example: 5000 IU * 0.6 = 3000 mcg
-
From mcg to IU: mcg / 0.6 = IU
Source: http://dietarysupplementdatabase.usda.nih.gov/ingredient_calculator/help.php#q1
|