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1. ods.od.nih.gov › factsheets › VitaminA-HealthProfessionalVitamin A and Carotenoids - Health Professional Fact Sheet

   ods.od.nih.gov › factsheets › VitaminA-HealthProfessional

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   Average daily intakes of vitamin A from foods and beverages in the United States were 682 mcg RAE for men age 20 and older and 616 mcg RAE for women in 2017–2018, according to the National Health and Nutrition Examination Survey (NHANES) . For children age 2–19, mean daily intakes of vitamin A from foods and beverages ranged from 497 to 680 ...

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     Chętnie wyświetlilibyśmy opis, ale witryna, którą oglądasz,...

   • History of Changes to This Fact Sheet

     Chętnie wyświetlilibyśmy opis, ale witryna, którą oglądasz,...

   • Vitamin a and Carotenoids

     This is a general overview. For more in-depth information,...

   • Other Resources

     This collection of fact sheets and other resources from the...

   • PubMed

     Design, setting, and participants: The Age-Related Eye...

   • Dietary Supplements

     Many adults and children in the United States take one or...

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     The Office of Dietary Supplements (ODS), part of the...

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     NIH CARBON Program: Botanicals Research Center for Age...

2. www.ncbi.nlm.nih.gov › books › NBK222318Vitamin A - Dietary Reference Intakes for Vitamin A, Vitamin K,...

   www.ncbi.nlm.nih.gov › books › NBK222318

   The median intake of vitamin A ranges from 744 to 811 μg RAE/ day for men and 530 to 716 μg RAE/day for women. Using μg RAE, approximately 26 and 34 percent of vitamin A activity consumed by men and women, respectively, is provided from provitamin A carotenoids.

3. www.nia.nih.gov › health › vitamins-and-supplementsVitamins and Minerals for Older Adults - National Institute on...

   www.nia.nih.gov › health › vitamins-and-supplements

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   Men Age 51+: If you are age 51–70, you need at least 15 mcg (600 IU) each day, but not more than 100 mcg (4,000 IU). If you are over age 70, you need at least 20 mcg (800 IU), but not more than 100 mcg (4,000 IU).

4. www.canada.ca › dietary-reference-intakes › tablesDietary reference intakes tables: Reference values for vitamins

   www.canada.ca › dietary-reference-intakes › tables

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   Reference values for Vitamin A, Vitamin D, Vitamin E, and Vitamin K. This table presents Estimated Average Requirements (EARs), Recommended Dietary Allowances (RDAs) in bold type and Adequate Intakes (AIs) in ordinary type followed by an asterisk (*). Tolerable Upper Intake Levels (ULs) are in shaded columns.

5. www.msdmanuals.com › multimedia › tableRecommended Daily Intakes for Vitamins - MSD Manuals

   www.msdmanuals.com › multimedia › table

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   Recommended Daily Intakes for Vitamins. NOTE: Recommended dietary allowances (RDAs) are shown in regular type. RDAs are set to meet the needs of 97 to 98% of healthy people. Adequate intakes (AIs) are shown in bold type.

6. www.eatforhealth.gov.au › nutrient-reference-values › nutrientsVitamin A - Eat For Health

   www.eatforhealth.gov.au › nutrient-reference-values › nutrients

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   This table displays, for infants, the recommended vitamin A intake varies by age. Age AI; 0-6 months: 250 µg/day of retinol (as retinyl esters) 7-12 months: 430 µg/day of retinol equivalents (REs)

7. health.clevelandclinic.org › vitamin-aVitamin A: What It Is and How Much You Need - Cleveland Clinic...

   health.clevelandclinic.org › vitamin-a

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   9 lis 2022 · We all need a healthy dose of vitamin A. Learn the top 6 benefits of this essential nutrient.