How many mg to iu

Number of IU = 125 × 40 IU per mcg = 5000 IU. The mcg to IU converter allows you to transform international units into a metric measurement.

Mailing Address: GrassrootsHealth 315 S. Coast Hwy 101 Suite U-87 Encinitas, CA 92024. Phone: (760) 579-8141 Email: Customer ServiceTaking a multivitamin with vitamin D may help improve bone health. The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years.mg/dL: 0.2495: mmol/L: 2 Click on the link to go to Equation page. Warning: Physicians and Healthcare Professionals are responsible to employ good clinical judgement in selecting and interpreting Clinical data (inputs, outputs), and to verify all processing (data/knowledge) obtained through the use of Synt®, MediCalc®, iDox®, eH&P™, or any ...0–12 months. 10 micrograms (mcg) (400 IU) 1–70 years. 15 mcg (600 IU) 71 years and over. 20 mcg (800 IU) However, the precise amount of vitamin D you will need from your diet or from ...To convert from mg to IU: 1 mg of alpha-tocopherol is equivalent to 1.49 IU of the natural form or 2.22 IU of the synthetic form. To convert from IU to mg: 1 IU of the natural form is … The following list substances can be converted between IU and mg/mcg : Vitamin Vitamin A retinol, Vitamin A Acetate, Vitamin A propionate, Vitamin A palmitate, Beta Carotene, Vitamin B1 (thiamine), Vitamin B2 (riboflavin), Vitamin C(L-ascorbic acid), Vitamin D (D2 or D3), Vitamin E Natural (d-alpha Tocopheryl Acetate), Vitamin E Natural (d-alpha Tocopherol), Vitamin E Natural (d-alpha ... Fore example, 2 IU of enzyme A = 2 IU of enzyme B but the number of mg in each IU differs. Web results: International unit - Wikipedia en.wikipedia.org /wiki/ International_unitInternational unit .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. 1 mcg RAE = 12 mcg ...

Top Use: International unit(I.U.) conversion - IU to milligram Recent user inquiry: 5/14/2024 12:51 International unit(I.U.) conversion - microgramme(mcg) to IUiu to mg, mg to iu, iu to mg converter, mcg to iu, convert iu to mg, iu to mg calculator, 1000 iu to mcg, 400 iu to mg, colistin iu to mg, conversion ui en mg, convertitore ui in mg, how many iu in a mg, how to convert iu to mg, international unit converter, international unit to mg, international units, international units to mg, iu calculator ...Feb 2, 2019 · 1 microgram (mcg) equals 40 IU; Similarly, going from IU to mcg: 1 IU equals 0.025 mcg (micrograms) The most common strengths you will see are: Vitamin D 400 IU = 10 mcg (0.01 milligrams) Vitamin D 1,000 IU = 25 mcg (0.025 milligrams) Vitamin D 2,000 IU= 50 mcg (0.050 milligrams) Vitamin D 5,000 IU = 125 mcg (0.125 milligrams) For vitamin D levels below 25 nmol/L, the recommended dosage for adults and children ages 11 and older is 50,000 IU (1 capsule) once weekly. Adults should take it for 8 weeks, and children for 6 to 8 weeks. For vitamin D levels between 25 nmol/L and 75 nmol/L, the recommended dosage for adults is still 50,000 IU once weekly for 8 weeks.Fore example, 2 IU of enzyme A = 2 IU of enzyme B but the number of mg in each IU differs. Web results: International unit - Wikipedia en.wikipedia.org /wiki/ International_unitInternational unit .To convert from IU to mg: 1 IU of the natural form is equivalent to 0.67 mg of alpha-tocopherol. 1 IU of the synthetic form is equivalent to 0.45 mg of alpha-tocopherol. For example, 15 mg of natural alpha-tocopherol would equal 22.4 IU (15 mg x 1.49 IU/mg = 22.4 IU). The corresponding value for synthetic alpha-tocopherol would be 33.3 IU (15 ...12/10/2020 08:51:25 am. 100mg is 1/10th of a gram, so 100 mg of 20000 FU nattokinase is the same enzymatic potency as 1 g of 2000 FU nattokinase. In order for Nattokinase to work effectively, it should be taken on an empty stomach. So prior to bedtime should be just fine. 6/26/2021 04:42:12 am.

Calcitriol is available in the following strengths: 0.25 mcg capsule. 0.5 mcg capsule. 1 mcg/mL solution. 1 mcg/mL injection. 2 mcg/mL injection. 3 mcg/g topical ointment. For Vitamin D, since 1 international unit (IU) is equal to 0.025 mcg, using the same conversion for calcitriol, 0.25 mcg would equate to only 10 international units. …The mcg to IU conversion formula is simple: IU = (mcg / potency). All you need is a calculator and the right potency value to get started. With this formula, you can easily …Niacin 20 milligrams (mg) 16 milligrams NE4 (mg) Vitamin A 5,000 International Units (IU) 900 micrograms RAE5 (mcg) Vitamin D 400 International Units (IU) 20 micrograms (mcg)Use this tool to convert Vitamin D between mcg and IU. mcg (μg) -> IU. IU -> mcg (μg)

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Biotin Unit Conversion in Batch. Note: Fill in one box to get results in the other box by clicking "Calculate" button. Data should be separated in coma (,), space ( ), tab, or in separated lines.Oct 8, 2023 · How many mg of Omnitrope is in IU? 1 milligram (mg) of Omnitrope is approximately equivalent to 2,700 international units (IU). What is Omnitrope 5.8 mg used for? Omnitrope 5.8 mg is a form of human growth hormone (HGH) used for various medical conditions, including growth hormone deficiency and certain growth-related disorders. Vitamin D mcg to IU conversion. There are 40 IU per mcg of Vitamin D. Using this equation, we can easily convert any corresponding value of Vitamin D. For example, …

This chart can help convert dosages cited in studies between international units (IU) and milligrams (mg). For example, 400 IU of synthetic dl-alpha-tocopherol is converted to …1 microgram (mcg) equals 40 IU; Similarly, going from IU to mcg: 1 IU equals 0.025 mcg (micrograms) The most common strengths you will see are: Vitamin D 400 IU = 10 mcg (0.01 milligrams) Vitamin D 1,000 IU = 25 mcg (0.025 milligrams) Vitamin D 2,000 IU= 50 mcg (0.050 milligrams) Vitamin D 5,000 IU = 125 mcg (0.125 milligrams)The number of IUs of HCG divided by the number of mls of mixing solution will give you the dose strength per ml. The formula is applied below to the most commonly used amounts. Chart: 5,000 divided by 10 = 500 IUs per ml. Result: 500 IUs is the the strength of the HCG per ml. You are now ready to calculate how much you will draw up into your ...The dose of vitamin D3 (cholecalciferol) is measured in both micrograms (mcg) and international units (IU): 1 mcg vitamin D is equal to 40 IU. The highest strength of vitamin D3 (cholecalciferol) is 1,250 mcg (which is 50,000 IU) and is typically reserved to treat very low vitamin D levels and certain related conditions.iu to mg, mg to iu, iu to mg converter, mcg to iu, convert iu to mg, iu to mg calculator, 1000 iu to mcg, 400 iu to mg, colistin iu to mg, conversion ui en mg, convertitore ui in mg, how many iu in a mg, how to convert iu to mg, international unit converter, international unit to mg, international units, international units to mg, iu calculator ...Assume, for example, that 1 IU of vitamin E equals 0.671 mg of vitamin E. (d-alpha-tocopherol). Calculate how many milligrams there are in 150 IU of vitamin E. By dividing the number/quantity of IUs by the milligram equivalent of vitamin E, you may determine the milligrams of vitamin E: Vitamin E is equal to 100.65 mg (0.671 mg/IU x 150 IU).Number of IU = Amount in mcg × 40 IU per mcg. Number of IU = 125 × 40 IU per mcg = 5000 IU. The mcg to IU converter allows you to transform international units …Jun 28, 2023 ... ... IU” stand for? 0:38 Are high amounts of vitamin D3 dangerous? 1:50 How much vitamin D you need and why 7:57 What is considered a toxic amount ...iu to mg, mg to iu, iu to mg converter, mcg to iu, convert iu to mg, iu to mg calculator, 1000 iu to mcg, 400 iu to mg, colistin iu to mg, conversion ui en mg, convertitore ui in mg, how many iu in a mg, how to convert iu to mg, international unit converter, international unit to mg, international units, international units to mg, iu calculator ...

The RDI for total omega-3 is 1,100 mg for women and 1,600 mg for men . Most people get some omega-3 in their diet from foods such as flax seeds , soybean oil and walnuts — but these contain ALA.

So if you have 20 IU of vitamin E and want to know how many mg that is in each form, you'd divide by the appropriate conversion factor: 20 IU ÷ 0.9 IU/mg = 22.22 mg of dl-Alpha-tocopherol. 20 IU ÷ 0.67 IU/mg = 29.85 mg d-Alpha-tocopherol. Read more: Risks of Taking 400 I.U. of Vitamin E.Use the calculators below to check on how the amounts in your products may change. Or click here for a static chart with common measures converted. Vitamins A, D, and E will change from amounts in International Units, or IU, to the more common measures of milligrams ( mg) and micrograms ( mcg ).The TRPM6 gene provides instructions for making a protein that acts as a channel, which allows charged atoms (ions) of magnesium (Mg 2+ ) to flow into cells; the channel may also a...IU. The IU is an International Unit, usually used to measure fat soluble vitamins including Vitamin A, D and E. The conversion of IU to mg varies depending on the nutrient. VITAMIN A. One milligram of beta carotene = 1667IU of Vitamin A activity. 15mg of beta carotene = 25,000IU of Vitamin A activity. VITAMIN E.iu to mg, mg to iu, iu to mg converter, mcg to iu, convert iu to mg, iu to mg calculator, 1000 iu to mcg, 400 iu to mg, colistin iu to mg, conversion ui en mg, convertitore ui in mg, how many iu in a mg, how to convert iu to mg, international unit converter, international unit to mg, international units, international units to mg, iu calculator ...Niacin 20 milligrams (mg) 16 milligrams NE4 (mg) Vitamin A 5,000 International Units (IU) 900 micrograms RAE5 (mcg) Vitamin D 400 International Units (IU) 20 micrograms (mcg)We have all seen the story play out before: a patient with heart failure with reduced ejection fraction (HFrEF) who is new to a hospital system is hospitalized for acute decompensa...

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How many Mg's are in 10000 IU of vitamin A? 10,000 IU of vitamin A is equivalent to 3,000 mcg. 1.3 mg vit B6 is how many iu? 1300. How many mg of gentamicin sulphate is 1 IU? 0.01.As a result, a simple mass conversion (as opposed to an assay) suffices to obtain the IU: 1 IU Vitamin A = 0.3 μg retinol (~0.1 nmol) = 0.6 μg beta-carotene; 1 IU Vitamin D = 0.025 …According to Harvard’s T.H. Chan School of Public Health, the median intake of vitamin D from food and supplements in women 51 to 71 years old is 308 IU daily, with only 140 IU coming from food. 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: Niacin: mg NE: 1 mg NE = 1 mg niacinamide 1 mg NE = 1 mg inositol hexanicotinate 1 mg NE = 1 mg niacin 1 mg ... Milligram. Definition: A milligram is a unit of weight and mass that is based on the SI (International System of Units) base unit of mass, the kilogram. It is equal to 1/1,000 grams, or 1/1,000,000 kilograms. History/origin: The milligram is based on the SI unit of weight and mass, the kilogram. As an SI unit, it uses the "milli" SI prefix to denote that it is a …To convert from mg to IU: 1 mg of alpha-tocopherol is equivalent to 1.49 IU of the natural form or 2.22 IU of the synthetic form. We’re only using natural here but this is good to know. To convert from IU to mg: 1 IU of the natural form is equivalent to 0.67 mg of α-tocopherol. 1 IU of the synthetic form is equivalent to 0.45 mg of alpha ...The conversion factors commonly used are: 1 mcg of vitamin D2 = 40 IU. 1 mcg of vitamin D3 = 40 IU. So, if you have a vitamin D supplement with 10 mcg of vitamin D3, you can convert it to IU by multiplying it by the conversion factor: 10 mcg x 40 IU/mcg = 400 IU. Therefore, 10 mcg of vitamin D3 is equivalent to 400 IU.Let's see how easy it is to use our vitamin calculator. First of all, you need to choose the age. Then, choose sex. Finally, choose the vitamin you are interested in. That's it! You will see the recommended daily allowance for your chosen vitamin, based on your age and sex.So if you have 20 IU of vitamin E and want to know how many mg that is in each form, you'd divide by the appropriate conversion factor: 20 IU ÷ 0.9 IU/mg = 22.22 mg of dl-Alpha-tocopherol 20 IU ÷ 0.67 IU/mg = 29.85 mg d-Alpha-tocopherol ….

Although 4,000 IU (100 mcg) is set as the maximum amount of vitamin D you can take safely, several studies have shown that taking up to 10,000 IU (250 mcg) daily is not more likely to cause side ...µmol/L, µg/mL, µg/dL, µg/100mL, µg%, µg/L , mg/L Zinc is an essential element in the nutrition of human beings, zinc is required in the genetic make-up of every cell and is an absolute requirement for all biologic reproduction. Zinc is needed in all DNA and RNA syntheses and is required at every step of the cell cycle.The Recommended Dietary Allowance (RDA) for vitamin E for males and females ages 14 years and older is 15 mg daily (or 22 international units, IU), including women who are pregnant. Lactating women need slightly more at 19 mg (28 IU) daily. Vitamin E and Health . Heart disease.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. 1 mcg RAE = 12 mcg ...Taking a multivitamin with vitamin D may help improve bone health. The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years.Assume, for example, that 1 IU of vitamin E equals 0.671 mg of vitamin E. (d-alpha-tocopherol). Calculate how many milligrams there are in 150 IU of vitamin E. By dividing the number/quantity of IUs by the milligram equivalent of vitamin E, you may determine the milligrams of vitamin E: Vitamin E is equal to 100.65 mg (0.671 mg/IU x …Units To Milligrams Insulin Conversion. The conversion factor for human insulin is: One International Unit (IU) equals 0.0347 mg of insulin. International Units are …1 IU is the biological equivalent of about 0.667 mg d-alpha-tocopherol (2/3 mg exactly), or of 1 mg of dl-alpha-tocopherol acetate How many IU's are in a milliliter? No. International units are different for each vitamin measured. How many mg to iu, How much is an International Unit? Q. Most nutrients seem to be measured in mg but some are shown as mcg or I.U. How do I convert these measurements into mg? A. To convert micrograms (mcg) to milligrams (mg), divide by 1,000–or move the decimal point 3 positions to the left. 1000 mcg = 1.000 mg. But generally, you won’t need …, Initial dose: Not more than 0.004 mg/kg subcutaneously once a day (or a total of 0.04 mg/kg per week in divided doses). Maximum dose: 0.016 mg/kg once a day (0.08 mg/kg per week in divided doses) Non-Weight Based Regimen: Approximately 0.2 mg subcutaneously once a day (range: 0.15 to 0.3 mg once a day) Comments: The weekly dose should be ..., The quotient will be 0.55 if you correctly converted IU to micrograms. For example, if you determined that 200 IU of vitamin A palmitate is equivalent to 110 mcg, you would check your work by dividing 110 mcg by 200 IU. The quotient is 0.55, which means that 110 mcg of vitamin A palmitate is, in fact, equivalent to 200 IU of vitamin A palmitate., There is little agreement on how high to dose stimulants. One common rule of thumb is to prescribe 1 mg/kg bod There is little agreement on how high to dose stimulants. One common ..., 800 IU. For adults with vitamin D levels below 30 ng/mL, the Endocrine Society guidelines recommend a daily intake of 1,500–2,000 IU to restore healthy levels of vitamin D. There are also ..., Milligrams to micrograms chart; How many mcg are there in 1 mg? There are 1,000 micrograms (mcg) in 1 milligram (mg). To convert mg to mcg, multiply your mg figure by 1,000. How many mg are there in 1 mcg? 1 microgram (mcg) is equal to 0.001 milligrams (mg). To convert mcg to mg, divide your mcg figure by 1,000. Micrograms to …, Human growth hormone is measured in IU (international units) and mg (milligrams). 1 mg equals approximately 3 IU while 1 IU equals approximately 0.33 mg. 2-3 IUs – Recommended dosage for anti-aging purposes and improvement of skin, bones, and joints. Low doses below 3 IU can produce the desired anti-aging effects with very few to no side effects., Polysaccharide-iron complex - Contains 46% elemental iron. Ferrous bisglycinate chelate - Amounts vary on the formulation. Iron citrate - Amounts vary on the formulation. From the above chart of iron products, we can see that 325 mg of ferrous sulfate does indeed yield 65 mg elemental iron (i.e. 325 mg * 0.20 = 65 mg elemental iron), According to Harvard’s T.H. Chan School of Public Health, the median intake of vitamin D from food and supplements in women 51 to 71 years old is 308 IU daily, with only 140 IU coming from food., iu to mg, mg to iu, iu to mg converter, mcg to iu, convert iu to mg, iu to mg calculator, 1000 iu to mcg, 400 iu to mg, colistin iu to mg, conversion ui en mg, convertitore ui in mg, how many iu in a mg, how to convert iu to mg, international unit converter, international unit to mg, international units, international units to mg, iu calculator ..., Mailing Address: GrassrootsHealth 315 S. Coast Hwy 101 Suite U-87 Encinitas, CA 92024. Phone: (760) 579-8141 Email: Customer Service, Mar 10, 2019 · Calcitriol is available in the following strengths: 0.25 mcg capsule. 0.5 mcg capsule. 1 mcg/mL solution. 1 mcg/mL injection. 2 mcg/mL injection. 3 mcg/g topical ointment. For Vitamin D, since 1 international unit (IU) is equal to 0.025 mcg, using the same conversion for calcitriol, 0.25 mcg would equate to only 10 international units. Clearly ... , The number of IUs of HCG divided by the number of mls of mixing solution will give you the dose strength per ml. The formula is applied below to the most commonly used amounts. Chart: 5,000 divided by 10 = 500 IUs per ml. Result: 500 IUs is the the strength of the HCG per ml. You are now ready to calculate how much you will draw up into your ..., ETF strategy - ABRDN PHYSICAL GOLD SHARES ETF - Current price data, news, charts and performance Indices Commodities Currencies Stocks, Naturally found in foods such as fruits, vegetables, and cereals, Vitamin E is an antioxidant that is supportive of your healthy lifestyle., What is a normal cholesterol level and what is considered high cholesterol? Here is help for making sense of your numbers. Trusted Health Information from the National Institutes o..., The quotient will be 0.55 if you correctly converted IU to micrograms. For example, if you determined that 200 IU of vitamin A palmitate is equivalent to 110 mcg, you would check your work by dividing 110 mcg by 200 IU. The quotient is 0.55, which means that 110 mcg of vitamin A palmitate is, in fact, equivalent to 200 IU of vitamin A palmitate., Hennessy Capital Acquisition presents their latest quarterly figures on November 9.Wall Street predict expect Hennessy Capital Acquisition will re... On November 9, Hennessy Capita..., Adult and teenage females—5 to 7 mg alpha-TE or 8.3 to 11.7 Units per day. Pregnant females—8 to 9 mg alpha-TE or 13 to 15 Units per day. Breast-feeding females—9 to 10 mg alpha-TE or 15 to 16.7 Units per day. Children 7 to 10 years of age—6 to 8 mg alpha-TE or 10 to 13 Units per day., STEMCELL is working toward providing IU data for all cytokines for which a WHO standard exists. To date, we have IU equivalence data for the following cytokines: The specific activity (units/mg) of a cytokine is typically calculated using a bioassay with one set of conditions and parameters, and a defined cell line. , 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. Vitamin D: The most commonly available vitamin D preparation is vitamin D3 or cholecalciferol. 40 IU of vitamin D equals one µg, which can be converted to 0.001 mg., Evidence suggests that many individuals require between 5,000 and 10,000 IU of vitamin D3 daily to achieve optimal 25-hydroxyvitamin D blood concentrations of 40 ng/mL (100 nmol/L) or above. 2. Can I take 5,000 IU of vitamin D3 every day? Yes, taking 5,000 IU of vitamin D3 is generally considered safe and well-tolerated by most healthy …, Mailing Address: GrassrootsHealth 315 S. Coast Hwy 101 Suite U-87 Encinitas, CA 92024. Phone: (760) 579-8141 Email: Customer Service, For example, one mcg of Vitamin D is equal to 40 IU of Vitamin D. That doesn't mean that one mcg of Vitamin C also equals 40 IU of Vitamin C (because it doesn't); it just means that one microgram of Vitamin D has the potency of 40 International Units of Vitamin D. IUs are mostly used to measure fat-soluble vitamins, like Vitamin A, Vitamin D ..., 0.16 to 0.24 mg/kg//week, divided into 6 - 7 daily injections, (2.1) • Adult GHD: not more than 0.04 mg/kg/week (divided into daily injections) to be increased as tolerated to not more than 0.08 mg/kg/week); to be increased gradually every 1 - 2 months (2.2) • OMNITROPE® Cartridges 5 mg/1.5 mL and 10 mg/1.5 mL must be used with the, Is 1000 IU the same as 1000 mg? To convert Vitamin E if the product label has d-Alpha-tocopherol as the ingredient: From IU to mg: IU * 0.67 = mg. From mg to IU: mg * 1.5 = IU see less In the metric system, 1000 milligrams (mg) is a unit of mass equal to 1 gram and 1000 micrograms (mcg) is equal to 1 milligram (mg)., 7 to 12 months: 5 mg alpha-tocopherol (7.5 IU) 1 to 3 years: 6 mg alpha-tocopherol (9 IU) Tolerable Upper Intake Level (UL): 300 mg alpha-tocopherol (450 IU) 4 to 8 years: 7 mg alpha-tocopherol (10.4 IU) UL: 300 mg alpha-tocopherol (450 IU) 9 to 13 years: 11 mg alpha-tocopherol (16.4 IU) UL: 600 mg alpha-tocopherol (900 IU) 14 to 18 …, IU resolves this by providing an agreed-upon measure for consistent dosing. This diminishes any concerns one may have about excessive intake. Note that IU is suitable for comparing equivalent forms, like apples to apples, not apples to oranges. For instance, 1,000 IU of Vitamin D equates to 25 mcg, while 1,000 IU of Vitamin A equates to 300 mcg ..., Like it says above: you need to multiply the IU for Vitamin D with the conversion factor, to get the number of micro grams. Vitamin D: 1 IU is 0.025 mcg cholecalciferol. mg is milligrams, so this is clearly wrong. 2000 micrograms are 2000 / 0.025 = 200000 IU, so this is clearly also wrong., Feb 2, 2023 ... Vitamin D supplement dosages are measured in metric units (mg/mcg) and international units (IU). The 'IU' tells how much vitamin is required ..., Data from the 2011–2012 National Health and Nutrition Examination Survey (NHANES) show that among children and teens age 2–19 years, the average daily vitamin K intake from foods is 66 mcg [ 20 ]. In adults age 20 and older, the average daily vitamin K intake from foods is 122 mcg for women and 138 mcg for men., Biotin Unit Conversion in Batch. Note: Fill in one box to get results in the other box by clicking "Calculate" button. Data should be separated in coma (,), space ( ), tab, or in separated lines., IU. The IU is an International Unit, usually used to measure fat soluble vitamins including Vitamin A, D and E. The conversion of IU to mg varies depending on the nutrient. VITAMIN A. One milligram of beta carotene = 1667IU of Vitamin A activity. 15mg of beta carotene = 25,000IU of Vitamin A activity. VITAMIN E.