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1. www.nhs.uk › vitamins-and-minerals › vitamin-dVitamin D - NHS

   www.nhs.uk › vitamins-and-minerals › vitamin-d

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   Children from the age of 1 year and adults need 10 micrograms (mcg) of vitamin D a day. This includes pregnant and breastfeeding women, and people at risk of vitamin D deficiency. Babies up to the age of 1 year need 8.5 to 10 micrograms of vitamin D a day. A microgram (mcg) is 1,000 times smaller than a milligram (mg).

2. www.bhf.org.uk › ask-the-expert › vitamin-dDo I need to take vitamin D? - BHF - British Heart Foundation

   www.bhf.org.uk › ask-the-expert › vitamin-d

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   Senior Dietitian Victoria Taylor says: It's recommended that everyone take a supplement containing 10 micrograms (10 μg, equivalent to 400 IU) of vitamin D daily in autumn and winter. More than this is not necessary, and is likely to be more expensive, but you can safely take up to 25 micrograms if that’s the size you can find.

3. www.healthline.com › nutrition › how-much-vitamin-dHow Much Vitamin D Should You Take For Optimal Health?

   www.healthline.com › nutrition › how-much-vitamin-d

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   Jun 23, 2023 · 0–12 months. 10 micrograms (mcg) (400 IU) 1–70 years. 15 mcg (600 IU) 71 years and over. 20 mcg (800 IU) However, the precise amount of vitamin D you will need from your diet or from ...

   • Males and females need the same amount of vitamin D, around 15 mcg (600 IU) daily. However, it can be hard to know how much your body is taking in...
   • Vitamin D3 appears to be more effective than vitamin D2 at helping the body reach its necessary vitamin D levels. For this reason, if you're taking...
   • If you're taking supplements, how much you need to take will depend on your individual requirements. A doctor can advise you on this.
   • If you are taking supplements, you should not take more than 100 mcg (4,000 IU) per day. Levels of vitamin D in the blood are too high when they ar...
   • First, you will need to discuss your specific needs with a doctor. They will advise on whether or not you need supplements and how much to take. If...

4. www.healthline.com › nutrition › vitamin-d-dosageWhat Vitamin D Dosage Is Best? - Healthline

   www.healthline.com › nutrition › vitamin-d-dosage

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   Mar 14, 2023 · Though more research is needed, it seems that consuming 1,000–4,000 IU (25–100 mcg) of vitamin D daily should be ideal for most people to reach healthy vitamin D blood levels .

5. pmc.ncbi.nlm.nih.gov › articles › PMC8709011Vitamin D Dosing: Basic Principles and a Brief Algorithm ...

   pmc.ncbi.nlm.nih.gov › articles › PMC8709011

   D dose should be adjusted individually by routine monitoring of calcemia, calciuria, 25OH-D, parathormone, and 1,25-dihydroxy-vitamin D levels [24]. For those patients, small Vit. D doses are suggested in order to maintain serum 25OH-D levels below 75 nmol/L [12]. In case of Vit. D overdosing, Vit.

6. www.nhsglos.nhs.uk › wp-content › uploadsVitamin D - nhsglos.nhs.uk

   www.nhsglos.nhs.uk › wp-content › uploads

   What strength of vitamin D supplement do I need? Vitamin D is measured in both international units (IU) and micrograms (mcg/μg). How much you need will depend on your age, condition, how likely you are to become deficient and whether you have pre-viously been treated for vitamin D deficiency. You can speak to your

7. People also ask

   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

   www.healthline.com/nutrition/vitamin-d-dosage

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   How many IU in a microgram of vitamin D?

   • Sometimes the amount of vitamin D is expressed as International Units (IU). 1 microgram of vitamin D is equal to 40 IU. So 10 micrograms of vitamin D is equal to 400 IU. Should I take a vitamin D supplement? During the autumn and winter, you need to get vitamin D from your diet because the sun is not strong enough for the body to make vitamin D.

   Vitamin D - NHS

   www.nhs.uk/conditions/vitamins-and-minerals/vitamin-d/

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   How much vitamin D do you need a day?

   • Children from the age of 1 year and adults need 10 micrograms (mcg) of vitamin D a day. This includes pregnant and breastfeeding women, and people at risk of vitamin D deficiency. Babies up to the age of 1 year need 8.5 to 10 micrograms of vitamin D a day. A microgram (mcg) is 1,000 times smaller than a milligram (mg).

   Vitamin D - NHS

   www.nhs.uk/conditions/vitamins-and-minerals/vitamin-d/

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   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

   www.healthline.com/nutrition/vitamin-d-dosage

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   How much vitamin D does your skin produce?

   • The amount of vitamin D your skin produces will depend on factors such as: Some experts suggest exposing the face, arms, hands, and legs to the sun for around 5–30 minutes between 10 a.m. and 4 p.m., either daily or at least twice a week.

   How Much Vitamin D Should You Take For Optimal Health?

   www.healthline.com/nutrition/how-much-vitamin-d-to-take

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8. www.nutrition.org.uk › media › 1tuj1zrsVitamin D and Immunity - British Nutrition Foundation

   www.nutrition.org.uk › media › 1tuj1zrs

   How much vitamin D do we need? Following publication of the Scientific Committee on Nutrition (SACN) Vitamin D and health report, UK government advice was updated to recommendthe following: • A reference nutrient intake (RNI) of 10 micrograms (10 μg) per day (equivalent to 400