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  2. Enzyme unit - Wikipedia

    en.wikipedia.org/wiki/Enzyme_unit

    The enzyme unit, or international unit for enzyme (symbol U, sometimes also IU) is a unit of enzyme's catalytic activity. [ 1 ] 1 U (μmol/min) is defined as the amount of the enzyme that catalyzes the conversion of one micro mole of substrate per minute under the specified conditions of the assay method .

  3. International unit - Wikipedia

    en.wikipedia.org/wiki/International_unit

    Multivitamins nutrition facts label showing that the international unit of, for example, vitamins D and E correspond to different gram values. In pharmacology, the international unit (IU) is a unit of measurement for the effect or biological activity of a substance, for the purpose of easier comparison across similar forms of substances.

  4. Vitamin D - Wikipedia

    en.wikipedia.org/wiki/Vitamin_D

    For example, the US Adequate Intake recommendations from 1997 were 200 IU/day for infants, children, adults to age 50 and women during pregnancy or lactation, 400 IU/day for ages 51–70 and 600 IU/day for 71 and older. [168] Conversion: 1 μg (microgram) = 40 IU (international unit). [56]

  5. Insulin (medication) - Wikipedia

    en.wikipedia.org/wiki/Insulin_(medication)

    One international unit of insulin (1 IU) is defined as the "biological equivalent" of 34.7 μg pure crystalline insulin. [citation needed] The first definition of a unit of insulin was the amount required to induce hypoglycemia in a rabbit. This was set by James Collip at the University of Toronto in 1922. Of course, this was dependent on the ...

  6. Reference ranges for blood tests - Wikipedia

    en.wikipedia.org/wiki/Reference_ranges_for_blood...

    Mass concentration (g/dL or g/L) is the most common measurement unit in the United States. Is usually given with dL (decilitres) as the denominator in the United States, and usually with L (litres) in, for example, Sweden.

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    mail.aol.com

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  8. Luteinizing hormone - Wikipedia

    en.wikipedia.org/wiki/Luteinizing_hormone

    During reproductive years, typical levels are between 1 and 20 IU/L. Physiologic high LH levels are seen during the LH surge (v.s.) and typically last 48 hours. In males over 18 years of age, reference ranges have been estimated to be 1.8–8.6 IU/L. [32] LH is measured in international units (IU). When quantifying the amount of LH in a sample ...

  9. Microgram - Wikipedia

    en.wikipedia.org/wiki/Microgram

    In the metric system, a microgram or microgramme is a unit of mass equal to one millionth (1 × 10 −6) of a gram.The unit symbol is μg according to the International System of Units (SI); the recommended symbol in the United States and United Kingdom when communicating medical information is mcg.