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 Forms | Other forms |
A | Retinol: 1 IU = 0.3 mcg | Beta-carotene: 1 IU = 0.6 mcg |
D | Cholecalciferol (vitamin D3): 1 IU = 0.025 mcg | |
E | d-alpha-tocopherol: 1 IU = 0.67 mg | dl-alpha-tocopherol: 1 IU = 0.9 mg |