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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. International units are used to quantify vitamins and biologics ( hormones , some medications , vaccines , blood products and similar biologically ...
A sample nutrition facts label, with instructions from the U.S. Food and Drug Administration [1] Nutrition facts placement for two Indonesian cartons of milk The nutrition facts label (also known as the nutrition information panel, and other slight variations [which?]) is a label required on most packaged food in many countries, showing what nutrients and other ingredients (to limit and get ...
Food and supplement labels still generally use IU, but IU can be converted to the more useful retinol activity equivalent as follows: [19] 1 μg RAE = 3.33 IU retinol; 1 IU retinol = 0.3 μg RAE; 1 IU β-carotene from supplements = 0.3 μg RAE; 1 IU β-carotene from food = 0.05 μg RAE; 1 IU α-carotene or β-cryptoxanthin from food = 0.025 μg ...
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The insulin unit conversion is not consistent with his molar weight 5808 Da (g/mol): Using the insulin unit definition as 0.0347 mg/IU and human insulin molar mass 5808 g/mol: 1 IU = (0.0347*10^-3 g) / (5808 g/mol) = 5.974 * 10^-9 mol. But in other sources is written, that 1 IU of insulin is 6.945 * 10^-9 mol. Where is the mistake?
= 205.196 548 3 mg carat (metric) ct ≡ 200 mg = 200 mg clove: ≡ 8 lb av = 3.628 738 96 kg: crith: ≡ mass of 1 L of hydrogen gas at STP: ≈ 89.9349 mg dalton: Da 1/12 the mass of an unbound neutral atom of carbon-12 in its nuclear and electronic ground state and at rest: ≈ 1.660 539 068 92 (52) × 10 −27 kg [20] dram (apothecary ...
The international unit measurement was used by the United States in 1968–2016. 1 IU is the biological equivalent of about 0.667 mg d (RRR)-alpha-tocopherol (2/3 mg exactly), or of 0.90 mg of dl-alpha-tocopherol, corresponding to the then-measured relative potency of stereoisomers.
{{Convert}} uses unit-codes, which are similar to, but not necessarily exactly the same as, the usual written abbreviation for a given unit. These unit-codes are displayed in column 3 of the following tables. These are accepted as input by {{convert}} as the second and third unnamed parameters: {{convert|100|kg|lb}} → 100 kilograms (220 lb)