![]() Vitamin A: 1 IU is the biological equivalent of 0.3 mcg retinol or 0.6 mcg beta-carotene.How to convert from IU to Mg, you must know the converting value. 5Įach IU Vitamin has its specific mass of millimetre, which differ from one vitamin to another. Using milligrams changes the value range to 0.015-0.020 mg. In micrograms, that would be 15 to 20 µg. The RDA for an adult range from 600-800 IU. 40 IU of vitamin D equals one µg, which can be converted to 0.001 mg. Vitamin D: The most commonly available vitamin D preparation is vitamin D3 or cholecalciferol. The RDA for an adult is 22.4 IU of the natural version and 33.3 IU of the synthetic version, or about 15 mg and 30 mg. In micrograms, that is equivalent to 900 µg. The dl-alpha-tocopherol formulation contains 0.9 mg of vitamin E per IU. Converted to micrograms, it equals 670 µg. One IU of d-alpha-tocopherol equals 0.67 mg. Vitamin E: Vitamin E is available in two formats: d-alpha-tocopherol, a natural source, and dl-alpha-tocopherol, a synthetic source. Converted to milligrams, this amount equals 0.9 mg. If the RDA for vitamin A as a retinol preparation is 3,000 IU, the equivalent in micrograms is 900 µg. The value for beta carotene is 0.6 µg per IU. The IU equivalent of vitamin A in the retinol format is 0.3 µg per 1 IU. Vitamin A: There are two widely available preparations of vitamin A: retinol and beta carotene. One milligram of Vitamin E = 1.21 to 1.49IU (depending on the carrier).Īnd if their biological equivalent of the same substance may have different IU. One milligram of beta carotene = 1667IU of Vitamin A activity.ġ5mg of beta carotene = 25,000IU of Vitamin A activity. You can simply turn IU to mg, by choosing the equation: Amount of mg = Amount of IU × 0.0003 Make use of a simple formula: Amount in IU = Amount in mcg × 3.33 IU/mcg. ![]() Find the conversion factor for vitamin A (retinol): 3.33 IU/mcg.How to convert mcg to IU for vitamin A? Let’s translate mcg into IU using 3 simple steps: Analyse the result: 1,500 IU of vitamin D activity can be found in 37.5 mcg of this substance.Try the equation: Amount in mcg = Amount in IU / 40.Find the conversion factor for vitamin D (cholecalciferol): 40 IU/mcg.How to convert 1500 IU to mcg for vitamin D? The International Conference for Unification of Formulae officially defines all international units. Nonetheless, most IUs are pretty handy and helpful in use as a means of standardising measures. The definition of an international unit (IU) is generally arbitrary, technical, and eminently forgettable.įor example, an IU of vitamin E is the specific biological activity of 0.671 milligrams of d-alpha-tocopherol. This measure is used for fat-soluble vitamins (such as vitamins A, D and E) and certain hormones, enzymes, and biologicals (such as vaccines). IU (international unit): An international unit (IU) is an internationally accepted amount of a substance. Milligram is used to measure the mass and concentration of the substance and follow the metric system.īut the international unit measures the biological effect of Vitamins or toxins. For example, 1 IU of Vit A does not equal 1 IU of Vit C.Ĥ- Difference between Milligram and International unit The international unit differs from substance to substance each import has international agreements. In pharmacology, International Unit (IU) is the quantity of a substance, such as a vitamin, hormone, or toxin, that produces a specified effect when tested according to an internationally accepted biological procedure.įor certain substances, the IU has been identified with a weight of a particular purified form of the material for example, one gram of vitamin A acetate contains 2.904 × 106 IU. Highly recommend online Marketing tool from SEMRUSH It is a unit of mass measurement in the metric system equal to a thousandth of a gram.Ī gram is similar to the group of one millilitre, one-thousandth of a litre, of water at 4 degrees C. The goal is to provide a measure of the effect on the body a substance will have regardless of its mass. IU are arbitrarily set by a committee of researchers commissioned by the World Health Organization. International Units (IU) are a measure based on the biological activity of a substance in the body. Milligrams (mg) are a measure of mass(weight). In this article will show you theDifference Between Milligram and International Unit.Drugs that measured by mg and others by IU ġ- Overview of Difference Between Milligram and International Unit.Difference between milligram mg and International unit.Definition of international unit ( IU).
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