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  1. Healthline
    https://www.healthline.com › nutrition › vitamin-d-dosage

    What Vitamin D Dosage Is Best? - Healthline

    • Vitamin D dosage recommendations can vary depending on several factors, including your age, skin color, medical history, and where you live.
      Vitamin D is commonly known as the “sunshine v… See more

    What is vitamin D and why is it important?

    Vitamin D belongs to the family of fat-soluble vitamins, which include vitamins A, D, E, and K. These vitamins are absorbed well with fat and are stored in the liver and fatty tissue… See more

    Healthline
    How much vitamin D do you need for optimal health?

    In the United States, current guidelines suggest that consuming 400–800 International Units (IU), or 10–20 micrograms (mcg), of vitamin D should meet the n… See more

    Healthline
    How do you know if you have a vitamin D deficiency?

    A vitamin D deficiency can only be discovered through blood tests that measure levels of storage vitamin D, known as 25(OH)D.
    According t… See more

    Healthline
    Sources of vitamin D

    Getting plenty of sunlight is the best way to increase your blood vitamin D levels.
    That’s because your body makes dietary vitamin D3 out of the cholesterol in the skin when it is e… See more

    Healthline
    How much vitamin D should I take a day?
    Vitamin D dosage recommendations can vary depending on several factors, including your age, skin color, medical history, and where you live. Vitamin D is commonly known as the “sunshine vitamin.” That’s because your skin makes vitamin D when it is exposed to sunlight (1). Getting enough vitamin D is important for optimal health.
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    Table of Contents
    What is vitamin D and why is it important?
    How much vitamin D do you need for optimal health?
    How do you know if you have a vitamin D deficiency?
    Sources of vitamin D
    How much vitamin D should I take a day?
     
  1. Mayo Clinic
    https://www.mayoclinic.org › drugs-supplements-vitamin-d

    Vitamin D - Mayo Clinic

  2. nih.gov
    https://pmc.ncbi.nlm.nih.gov › articles

    Vitamin D Dosing: Basic Principles and a Brief Algorithm (2021 …

  5. Healthline
    https://www.healthline.com › nutrition › …

    How Much Vitamin D Should You Take For Optimal …

    Jun 23, 2023 · Learn how much vitamin D you need for optimal health, how to get it from sun, foods, and supplements, and what happens if you have too little or too much. Find out the causes and effects of vitamin D deficiency and how to …

  6. Mayo Clinic News Network
    https://newsnetwork.mayoclinic.org › di…

    Mayo Clinic Q and A: How much vitamin D do I need?

    Apr 25, 2017 · For example, the Endocrine Society recommends up to 1,500 to 2,000 IU of vitamin D daily for adults. Mayo Clinic recommends that adults get at least the RDA of 600 IU.

  7. WebMD
    https://www.webmd.com › healthy-aging › what-to-know...

    Tips for Vitamin Dosages for Older Adults - WebMD

  8. People also ask
    How much vitamin D3 should I take a day?
    In people whose 25 (OH)D is 20 to 30 ng/mL (50 to 75 nmol/L), treatment with 600 to 800 international units (15 to 20 micrograms) of vitamin D3 by mouth daily is usually sufficient to maintain levels in the target range.

    Patient education: Vitamin D deficiency (Beyond the Basics)

    uptodate.com
    How much sun is needed per day to get the recommended amount of vitamin D?

    Cassia D Muller

    Bachelor in Nutrition · 2 years of exp

    This varies a bit depending on your sunbathing schedule and your skin. If it's midday sun, 20 minutes is enough, if it's 7 am sun, one hour is needed. Also, people with more melanin may need more time exposed.
    Q&A: Vitamin D
    bing.com
    How much vitamin D should I take a day?
    Vitamin D dosage recommendations can vary depending on several factors, including your age, skin color, medical history, and where you live. Vitamin D is commonly known as the “sunshine vitamin.” That’s because your skin makes vitamin D when it is exposed to sunlight (1). Getting enough vitamin D is important for optimal health.

    What Vitamin D Dosage Is Best? - Healthline

    healthline.com
    Should I take vitamin D2 or vitamin D3?
    We suggest vitamin D3 when possible, rather than vitamin D2, because vitamin D3 may raise vitamin D levels more effectively. Dosing — The recommended dose of vitamin D depends upon the nature and severity of the vitamin D deficiency. In people who do not have problems absorbing vitamin D:

    Patient education: Vitamin D deficiency (Beyond the Basics)

    uptodate.com
    Is 30 ng/mL a good vitamin D level?
    However, several older studies have found that a blood level of 30 ng/mL (75 nmol/L) could be even better for preventing fractures, falls, and certain cancers (23, 24, 25). Additionally, some other organizations, such as the Endocrine Society, define blood levels of vitamin D lower than 30 ng/mL (75 nmol/L) as a vitamin D deficiency (1).

    What Vitamin D Dosage Is Best? - Healthline

    healthline.com
    How much vitamin D2 should a child take a day?
    In infants and children whose 25 (OH)D is <20 ng/mL (50 nmol/L), treatment usually includes 1000 to 2000 international units (25 to 50 micrograms) of vitamin D2 by mouth per day (depending on the child's age) for two to three months.

    Patient education: Vitamin D deficiency (Beyond the Basics)

    uptodate.com
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  9. UpToDate
    https://www.uptodate.com › contents › vitamin-d...

    Vitamin D deficiency in adults: Definition, clinical ... - UpToDate

  10. UpToDate
    https://www.uptodate.com › contents › vitamin-d...

    Patient education: Vitamin D deficiency (Beyond the Basics)

  11. GoodRx
    https://www.goodrx.com › ... › how-muc…

    Vitamin D: How Much to Take Per Day and Max Dose

    Apr 5, 2024 · According to most medical experts, the recommended dietary allowance (RDA) of vitamin D for adults up to age 70 is 600 IU. But the FDA recommends 20 mcg per day, or 800 IU (1 mcg vitamin D is equal to 40 IU). …

  12. Office of Dietary Supplements (ODS)
    https://ods.od.nih.gov › pdf › factsheets › VitaminD-Consumer.pdf
    [PDF]

    Vitamin D Fact Sheet for Consumers - Office of Dietary …

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