Miscellaneous Nutrient Information

  • Calculations and Conversions

    Dietary Reference Intakes – Unit Conversion Factors

    Folate 1 DFE = 1 µg food folate
    Niacin 1 NE = 1 mg niacin
    1mg NE = 60 mg tryptophan
    Vitamin A 1 RAE = 1 µg retinol = 3.33 IU retinol
    For preformed vitamin A, 1 RE = 1RAE
    Vitamin D 1 µg = 40 IU
    Vitamin E 1 IU natural or synthetic Vitamin E = 0.67 mg α-tocopherol equivalent (α-TE)
    1 IU synthetic Vitamin E and esters = 0.45 mg α-tocopherol
    1 IU natural Vitamin E and esters = 0.67 mg α-tocopherol
  • Intended for Canadian Healthcare Professionals Only.
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