How much vitamin D can I take a day?

Mayo Clinic recommends that adults get at least the RDA of 600 IU. However, 1,000 to 2,000 IU per day of vitamin D from a supplement is generally safe, should help people achieve an adequate blood level of vitamin D, and may have additional health benefits.

How much vitamin D is too much a day?

Taking 60,000 international units (IU) a day of vitamin D for several months has been shown to cause toxicity. This level is many times higher than the U.S. Recommended Dietary Allowance (RDA) for most adults of 600 IU of vitamin D a day.

Can I take 5000 IU of vitamin D3 daily?

In summary, long-term supplementation with vitamin D3 in doses ranging from 5000 to 50,000 IUs/day appears to be safe.

How much vitamin D3 should I take daily?

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.

Is 10000 IU of D3 too much?

The Endocrine Society Practice Guidelines recommend that up to 10,000 IUs daily was safe for adults. This is in contrast to the recommended UL at 4,000 IU/d from the IOM.

How Much Vitamin D Do I Need? SURPRISING

Can I take 20000 IU of vitamin D?

In terms of upper limits, there has never been a case of toxicity at levels below 200 ng/mL. It takes about 100 IU per day for every rise in blood levels of about 1 ng/mL, so to get all the way up to 200 ng/mL it would take 20,000 IU per day at a minimum, and probably more.

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 ).

What is the difference between vitamin D and vitamin D3?

There are two possible forms of vitamin D in the human body: vitamin D2 and vitamin D3. Both D2 and D3 are simply called “vitamin D,” so there's no meaningful difference between vitamin D3 and just vitamin D.

How much D3 is too much?

The current daily recommended amount of vitamin D is 600 IU per day for adults under the age of 70, and 800 IU for older adults. Up to 4,000 IU per day is generally considered the safe upper limit, however, doses up to 10,000 IU/day have not been shown to cause toxicity.

Should I take 2000 IU vitamin D?

Mayo Clinic recommends that adults get at least the RDA of 600 IU. However, 1,000 to 2,000 IU per day of vitamin D from a supplement is generally safe, should help people achieve an adequate blood level of vitamin D, and may have additional health benefits.

Is 5000 IU vitamin D healthy?

The truth is, we do need vitamin D to stay healthy, but 5000 IU (units) of vitamin D in a daily tablet is more than most people need. The recommended maximum daily limit of vitamin D in healthy people is 4000 IU. That includes intakes from food, beverages, and supplements.

What is the difference between vitamin D3 2000 IU and 5000 IU?

This study demonstrates that the administration of oral cholecalciferol 5,000 IU daily is superior to 2,000 IU daily for 3 months to treat mild to moderate vitamin D deficiency. These dosages are safe and effective and results in improvements in parathyroid hormone activity and muscle strength.

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.

What are the symptoms of low vitamin D?

Is it better to take vitamin D every day or once a week?

Conclusion. Daily vitamin D was more effective than weekly, and monthly administration was the least effective.

What's the side effects of vitamin D?

Some side effects of taking too much vitamin D include weakness, dry mouth, nausea, vomiting, and others. Taking vitamin D for long periods of time in doses higher than 4000 IU (100 mcg) daily is possibly unsafe and may cause very high levels of calcium in the blood.

Is 4000 IU of vitamin D too high?

According to the National Academy of Medicine, formerly known as the Institute of Medicine, 4,000 IU is the safe upper level of daily vitamin D intake. However, doses up to 10,000 IU have not been shown to cause toxicity in healthy individuals ( 11 , 16 ).

What drugs should not be taken with vitamin D?

Phenobarbital, phenytoin, and other anticonvulsant medications -- These medications may accelerate the body's use of vitamin D. Mineral oil -- Mineral oil also interferes with absorption. In addition, Vitamin D may enhance the effects of doxorubicin , a medicine used to treat a variety of cancers.

Do vitamin d3 have side effects?

Too much vitamin D can cause harmful high calcium levels. Tell your doctor right away if any of these signs of high vitamin D/calcium levels occur: nausea/vomiting, constipation, loss of appetite, increased thirst, increased urination, mental/mood changes, unusual tiredness.

Why do doctors prescribe vitamin D instead of D3?

You may wonder why doctors prescribe vitamin D2 instead of D3, if vitamin D3 appears to be more potent than vitamin D2. The vitamin D prescription you get from your doctor is typically for 50,000 units of vitamin D2. Vitamin D2 is indicated to treat calcium disorders and parathyroid disorders.

Who should not take vitamin D3?

How much D3 should a woman take?

A: The upper tolerable limit is 4,000 international units (IU) daily, and the recommended amount for women 14 to 70 is 600 IU per day. Women 71 and older should aim for 800 IU per day.

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.

Is 50000 units of vitamin D alot?

Conclusions: Vitamin D3 therapy (50,000-100,000 IU/week) was safe and effective when given for 12 months to reverse statin intolerance in patients with vitamin D deficiency. Serum vitamin D rarely exceeded 100 ng/mL, never reached toxic levels, and there were no significant change in serum calcium or eGFR.

Can I take 40000 IU vitamin D?

Several vitamin D loading dose treatment regimens are available, including [ROS, 2018]: 50,000 IU once a week for 6 weeks (300,000 IU in total). 40,000 IU once a week for 7 weeks (280,000 IU in total).