How much vitamin D3 is too much?

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.
Takedown request   |   View complete answer on mayoclinic.org


How much vitamin D3 can you take safely per day?

Unless your doctor recommends it, avoid taking more than 4,000 IU per day, which is considered the safe upper limit.
Takedown request   |   View complete answer on health.harvard.edu


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.
Takedown request   |   View complete answer on pubmed.ncbi.nlm.nih.gov


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.
Takedown request   |   View complete answer on ncbi.nlm.nih.gov


Can too much vitamin D3 harm you?

The harmful effects of vitamin D are very complex. High doses of vitamin D can cause hypercalcemia without toxicity symptoms, but can also cause toxicity symptoms without hypercalcemia ( 30 ). To be safe, do not exceed the 4,000 IU (100 mcg) upper limit without consulting a doctor or dietitian.
Takedown request   |   View complete answer on healthline.com


Is too much Vitamin D hurting you?



What are 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.
Takedown request   |   View complete answer on mayoclinic.org


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.
Takedown request   |   View complete answer on everlywell.com


Can I take 4000 IU vitamin D3?

All things considered, a daily vitamin D intake of 1,000–4,000 IU, or 25–100 micrograms, should be enough to ensure optimal blood levels in most people. According to the National Institutes of Health, the safe upper limit is 4,000 IU.
Takedown request   |   View complete answer on healthline.com


Can I take 15000 IU vitamin D?

With almost 4000 participants it did show that vitamin D levels up to 300 nmol/L (120 ng/ml), as well as vitamin D intakes of up to 15,000 IU/day, are safe.
Takedown request   |   View complete answer on grassrootshealth.net


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.
Takedown request   |   View complete answer on healio.com


Is 5000 mg of vitamin D 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.
Takedown request   |   View complete answer on verywellmind.com


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.
Takedown request   |   View complete answer on link.springer.com


How often should you take vitamin D3 5000 IU?

In patients with vitamin D levels less than 20 ng/mL, start with 50,000 IUs of vitamin D3 once a week for 6 to 8 weeks. After that, a dose of 800 to 2000 IU per day should be taken to maintain vitamin D levels above 30 ng/mL.
Takedown request   |   View complete answer on goodrx.com


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.
Takedown request   |   View complete answer on webmd.com


How much vitamin D3 should an elderly person take?

Taking a multivitamin with vitamin D may help improve bone health. The recommended daily amount of vitamin D is 400 international units (IU) for children up to age 12 months, 600 IU for people ages 1 to 70 years, and 800 IU for people over 70 years.
Takedown request   |   View complete answer on mayoclinic.org


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.
Takedown request   |   View complete answer on newsnetwork.mayoclinic.org


Is 8000 IU of vitamin D3 too much?

While it is true that excess vitamin D can be dangerous, it is very uncommon to have excess vitamin D when taking 8,000 units or less daily. (Some people will need more than that, but doses in excess of 8,000 IU should be guided by blood levels.
Takedown request   |   View complete answer on detroitnews.com


When should you not take vitamin D3?

Who should not take VITAMIN D3?
  • sarcoidosis.
  • high amount of phosphate in the blood.
  • high amount of calcium in the blood.
  • excessive amount of vitamin D in the body.
  • kidney stones.
  • decreased kidney function.
Takedown request   |   View complete answer on webmd.com


Is 1600 IU of D3 too much?

To put those doses in context, 600 IU is the recommended daily amount of vitamin D for adults through age 70; 800 IU is recommended for people above age 70; 4,000 IU is considered to be the upper end of the tolerable intake level; and 10,000 IU is considered a megadose, well beyond what is typically advised, says Dr.
Takedown request   |   View complete answer on health.harvard.edu


What are the benefits of vitamin D3 5000 IU?

Vitamin D3 5000 IU helps to prevent falls and fractures by maintaining muscle strength and improving balance. It also strengthens the immune system and protects against some chronic diseases, such as heart disease, cancer, and diabetes.
Takedown request   |   View complete answer on discovermagazine.com


Is 3800 IU of vitamin D too much?

The upper limit of safety of cholecalciferol is proposed to be 4000 IU/day [11]. This upper limit of tolerance is based on 25OHD determinations and on the risk of hypercalcemia occurrence [18, 22,23,24]. A chronic dose of 95 µg/day (3800 IU/day) was considered as the lowest dose causing hypercalcemia in healthy adults.
Takedown request   |   View complete answer on link.springer.com


Who should not take vitamin D3?

Who should not take VITAMIN D3?
  • sarcoidosis.
  • high amount of phosphate in the blood.
  • high amount of calcium in the blood.
  • excessive amount of vitamin D in the body.
  • kidney stones.
  • decreased kidney function.
Takedown request   |   View complete answer on webmd.com


Can Vit D3 cause hair loss?

“Both vitamin D deficiency, as well as vitamin D excess, may cause hair loss,” Chacon explains. A 2020 study in the International Journal of Dermatology found that vitamin D deficiency may also play a role in the development and severity of androgenetic alopecia, also known as male pattern baldness.
Takedown request   |   View complete answer on webmd.com


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.
Takedown request   |   View complete answer on wellrx.com


Can too much d3 cause joint pain?

Vitamin D toxicity can cause hypercalcemia and subsequent problems with the bones, including a loss of bone density . Some symptoms include: aching or painful bones.
Takedown request   |   View complete answer on medicalnewstoday.com
Previous question
Is Wonka factory real?