How many mcg of vitamin D should you take a day?

The current recommendations suggest consuming 400–800 IU (10–20 mcg) of vitamin D per day. However, people who need more vitamin D can safely consume 1,000–4,000 IU (25–100 mcg) daily. Consuming more than this is not advised, as it is not linked to any extra health benefits.
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How many mcg of vitamin D is too much?

Vitamin D toxicity can have devastating health effects, which may not show up until months or even years after starting to take high doses. Generally, it's not recommended to exceed the upper limit of safe intake, which is 4,000 IU (100 mcg) per day.
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How much vitamin D mcg do you need?

Vitamin D recommended intake is at 400–800 IU/day or 10–20 micrograms. However, some studies suggest that a higher daily intake of 1,000–4,000 IU (25–100 micrograms) is needed to maintain optimal blood levels.
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What is the maximum amount of vitamin D you should take a day?

Some people may need a higher dose, however, including those with a bone health disorder and those with a condition that interferes with the absorption of vitamin D or calcium, says Dr. Manson. Unless your doctor recommends it, avoid taking more than 4,000 IU per day, which is considered the safe upper limit.
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Is 20 micrograms of vitamin D too much?

For most people taking up to 100 micrograms (µg) equivalent to 4,000 international units) per day is considered safe. In a few people, taking too many vitamin D supplements over a long period of time can cause too much calcium to build up in the body (hypercalcaemia).
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Vitamin D dose



What are the signs of too much vitamin D?

The main consequence of vitamin D toxicity is a buildup of calcium in your blood (hypercalcemia), which can cause nausea and vomiting, weakness, and frequent urination. Vitamin D toxicity might progress to bone pain and kidney problems, such as the formation of calcium stones.
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Is 15 mcg of vitamin D too much?

The current recommendations suggest consuming 400–800 IU (10–20 mcg) of vitamin D per day. However, people who need more vitamin D can safely consume 1,000–4,000 IU (25–100 mcg) daily. Consuming more than this is not advised, as it is not linked to any extra health benefits.
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When should I take vitamin D morning or night?

The most important steps are to fit vitamin D into your routine and take it consistently to ensure maximum effectiveness. Try taking it alongside breakfast or with a bedtime snack — as long as it doesn't interfere with your sleep.
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Can too much vitamin D hurt you?

In some cases, vitamin D toxicity can result in kidney injury and even kidney failure. This is because having too much vitamin D in the body can lead to high levels of calcium, which can lead to water loss through too much urination and calcification of the kidneys ( 21 ).
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Should I take vitamin D or D3?

Both supplements are commonly used for vitamin D supplementation. Studies have shown that vitamin D3 supplements may be superior in raising the body's vitamin D stores.
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Is 10 mcg the same as 1000 IU?

10 mcg = 400 IU. 15 mcg = 600 IU. 20 mcg = 800 IU.
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What drugs should not be taken with vitamin D?

Possible interactions include:
  • Aluminum. ...
  • Anticonvulsants. ...
  • Atorvastatin (Lipitor). ...
  • Calcipotriene (Dovonex, Sorilux). ...
  • Cholestyramine (Prevalite). ...
  • Cytochrome P-450 3A4 (CYP3A4) substrates. ...
  • Digoxin (Lanoxin). ...
  • Diltiazem (Cardizem, Tiazac, others).
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Does vitamin D cause weight gain?

Despite these findings, the current body of research suggests that consuming higher amounts of vitamin D has little effect on weight gain or loss.
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Can I take 5000 IU of vitamin D3 everyday?

In summary, long-term supplementation with vitamin D3 in doses ranging from 5000 to 50,000 IUs/day appears to be safe.
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What vitamins should not be taken together?

Here are six vitamin combinations you definitely shouldn't take together.
  • Magnesium and calcium/multivitamin. ...
  • Vitamins D, E and K. ...
  • Fish Oil & Gingko Biloba. ...
  • Copper and zinc. ...
  • Iron and Green tea. ...
  • Vitamin C and B12.
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How much vitamin D should a 65 year old take?

Adults aged up to 70 years old should be getting at least 600 IU. Adults older than 70 should be getting at least 800 IU of vitamin D.
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What is the best form of Vit D to take?

Healthline's picks of the best vitamin D supplements
  • Pure Encapsulations D3 10,000 IU.
  • NOW Foods D3 10,000 IU.
  • Pure Encapsulations Vitamin D3 (Vegan) Liquid.
  • HUM Nutrition Here Comes the Sun.
  • Nordic Naturals Zero Sugar Vitamin D3 Gummies 1,000 IU.
  • Thorne Vitamin D/K2.
  • Designs for Health Liposomal D Supreme.
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Does vitamin D affect hair?

One role vitamin D plays is stimulating new and old hair follicles. When there isn't enough vitamin D in your system, new hair growth can be stunted. Vitamin D deficiency has been linked to alopecia, the autoimmune condition that causes bald patches on the scalp and other areas of the body.
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What happens when vitamin D is too low?

Vitamin D deficiency can lead to a loss of bone density, which can contribute to osteoporosis and fractures (broken bones). Severe vitamin D deficiency can also lead to other diseases. In children, it can cause rickets. Rickets is a rare disease that causes the bones to become soft and bend.
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Can lack of vitamin D cause anxiety?

Research indicates that there is a strong link between vitamin D deficiency and anxiety as well as depression. Individuals struggling with a mental illness may turn to problematic behavior to mask the pain.
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Does vitamin D interfere with blood pressure medication?

After comparing both individual patient data and the overall findings for each study, researchers found that vitamin D supplements had no significant effect on blood pressure. In other words, patients taking vitamin D supplements had similar changes in blood pressure as those taking an inactive placebo drug.
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Can you take a multivitamin and vitamin D together?

No interactions were found between multivitamin and Vitamin D3. However, this does not necessarily mean no interactions exist. Always consult your healthcare provider.
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Can you take Tylenol and vitamin D at the same time?

Interactions between your drugs

No interactions were found between Tylenol and Vitamin D3.
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What is vitamin D mcg?

One mcg of vitamin D (cholecalciferol) is equal to 40 international units, so 10 mcg is the same as 400 international units on the new label.
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Is 1000 mcg the same as 1 mg?

1 milligram (mg) is equal to 1000 micrograms (μg).
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