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Use this tool to convert Vitamin D between mcg and IU. mcg (μg) -> IU. IU -> mcg (μg)
Aug 23, 2022 · Converting from mg or mcg to IU for Vitamins A, C, D and E. We've included mass equivalents of 1 IU for selected vitamins below. This information is from the Office of Dietary Supplements and the Ultimate Pharmacy Calculations Guide. Vitamin A: 1 IU is the biological equivalent of 0.3 mcg retinol, or of 0.6 mcg beta-carotene
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.
Jul 28, 2023 · Key Takeaways. IU is a measure of biological activity used to define a substance’s effect, not its weight. International units vary for different substances (Vitamin A vs. Vitamin D vs. Vitamin E, etc.) As of 2021, drug manufacturers started listing IU and mg/mcg on drug labels. Overview of Vitamin D.
Using the formula: mcg = IU × Conversion Factor mcg = 800 IU × 0.025 mcg/IU mcg = 20 mcg. So, 800 IU of vitamin D is equivalent to 20 mcg. FAQs? Q1: Are conversion factors the same for all substances? A1: No, conversion factors vary depending on the substance being converted.
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 ...
mg = milligram. mcg = μg = microgram. Vitamin Unit Conversions and Calculations. The information below provides an approximate vitamin conversion from standardized units (IU, RAE, DFE, NE) to milligrams or micrograms. Vitamin A. 1 IU = 0.3 mcg retinol. 1 mcg RAE = 1 mcg retinol. 1 mcg RAE = 2 mcg supplemental beta-carotene.
