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Jan 13, 2024 · To convert from mcg to IU, you need a conversion factor. The following are the conversion factors for the various vitamin types: Vitamin A. 1 IU = 0.3 mcg retinol. 1 mcg retinol = 3.33 IU. Vitamin D3. 1 IU = 0.025 mcg cholecalciferol. 1 mcg cholecalciferol = 40 IU. Vitamin E. 1 IU = 0.67 mg d-alpha-tocopherol. 1 mg d-alpha-tocopherol = 1.5 IU.
Feb 28, 2024 · Unraveling the mcg to IU Conversion Formula with Practical Examples. Example 1: If the input value is 1000 mcg, and the conversion factor is 0.67, the output in International Units will be 670 IU. Example 2: For an input value of 500 mcg with a conversion factor of 0.67, the output will be 335 IU.
Dec 22, 2023 · 1 IU retinol = 0.3 mcg RAE 1 IU supplemental beta-carotene = 0.3 mcg RAE IU** Vitamin E: mg alpha-tocopherol: 1 IU (natural) = 0.67 mg Vitamin E (as alpha-tocopherol) 1 IU (synthetic) = 0.45 mg Vitamin E (as alpha-tocopherol) IU** Vitamin D: μg: 1 IU = 0.025 μg: IU: Folate: μg DFE: 1 μg DFE = 1 μg folates 1 μg DFE = 0.6 μg folic acid μg ...
