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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 vi… 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 … 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 ex… See more

    Healthline
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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
     

  1. How much vitamin D do people need?

    Answered by verified global health professionals
    Dr. Ilya AleksandrovskiyM.D., MBA · 5 years of exp

    The recommended vitamin D intake is 400 IU per day for infants and children and 400 to 600 IU per day for adults. The below chart shows the need according to age- Age Recommended Amount 1–13 years: 600 IU 14–18 years: 600 IU 19–70... Read more
    Dr. Alex T. ThomasMD · 40 years of exp

    The recommended amounts in international units per day are: Birth-12 months: 400 IU; Children 1-13 years: 600 IU; Teens 14-18 years: 600 IU; Adults 19-70: 600 IU; Adults aged 71 years and older: 800 IU.

    Read all answers on Vitamin D Deficiency

    Dr. Mohan P. AbrahamM.D., FAAFP (Family Physician) · 40 years of exp

    Infants and children require 400 IU per day, adults require 400-600 IU per day with adequate amount of sun exposure.

    Read all answers on Vitamin D Deficiency

    Dr. Marcelle FreireDoctor of Medicine · 3 years of exp

    Vitamin D supplementation and/or intake needs vary according to the age, nutritional status and morbidities of each patient. In the literature, it is observed that children under one year old have a need of around 400 IU/day of vi... Read more
    Dr. Marcella Abunahman PereiraSpecialization in Clinical Cardiology · 12 years of exp

    Vitamin D isn't naturally found in many foods but your body can make it when in direct contact with sunlight. The recommended daily amount of vitamin D will depend on age and some conditions a person may have such as history of sp... Read more
    Dr. Venata Subhash Sagar TatabhatlaMBBS · 4 years of exp

    Infants need around 10 micrograms of vitamin per day. Healthy adults require around 15 micrograms per day irrespective of gender. Older people may need 70 micrograms per day. During pregnancy or lactation usually there is no addit... Read more
    Dr. Chandra Shekar AdelliMBBS, Gen Med · 6 years of exp

    The recommended dietary allowance for normal people is 400-600 IU per day. For those aged over 70 years, 800 IU per day is recommended. Pregnant and lactating women require 1200 IU per day, while children aged 10-18 years require ... Read more
    Disclaimer: Opinions are from external health professionals and should not be considered as Microsoft's opinion or a substitute for professional help. Consult a health professional for medical advice.
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  2. People also ask
    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
    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
    What is a good vitamin D level?
    According to the Institute of Medicine (IOM), the following values determine your vitamin D status (22): 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).

    What Vitamin D Dosage Is Best? - Healthline

    healthline.com
    How much vitamin D should a 60-year-old woman take?
    Another study randomized 100 community-dwelling men and women age 60 years and older (most were White) with serum 25 (OH)D levels of 50 nmol/L (20 ng/ml) or less to 800 IU vitamin D 3 or placebo for 1 year .

    Vitamin D - Health Professional Fact Sheet - Office of Dietary

    ods.od.nih.gov
    How much vitamin D should a cancer patient take?
    In the most recent meta-analysis, 10 randomized clinical trials (including the VITAL trial described below) that included 6,537 cancer cases provided 10 to 50 mcg (400 to 2,000 IU) vitamin D 3 daily (six trials) or 500 mcg (20,000 IU)/week to 12,500 mcg (500,000 IU)/year boluses of vitamin D 3 (four trials) .

    Vitamin D - Health Professional Fact Sheet - Office of Dietary

    ods.od.nih.gov
    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
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  3. Mayo Clinic
    https://www.mayoclinic.org/drugs-supplements...

    Vitamin D - Mayo Clinic