Can you overdose on vitamin D?

Vitamin D toxicity is rare, but it does occur with extremely high doses. It usually develops over time, since extra vitamin D can build up in the body. Nearly all vitamin D overdoses result from taking high amounts of vitamin D supplements. It's almost impossible to get too much vitamin D from sunlight or food.

How much vitamin D 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.

Can you overdose on vitamin D in a day?

You cannot overdose on vitamin D through exposure to sunlight. But always remember to cover up or protect your skin if you're out in the sun for long periods to reduce the risk of skin damage and skin cancer.


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.

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.


Can I Overdose on 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.

Is 5000 IU of D3 too much?

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.

How much vitamin D should I take daily?

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.

Can I take 60000 IU of vitamin D daily?

No one developed hypercalcemia or any adverse events. The major finding of this case series is prolonged daily dosing of vitamin D3 with doses of 10,000 to 60,000 IU was safely tolerated.


When should I take vitamin D morning or night?

Try taking it alongside breakfast or with a bedtime snack — as long as it doesn't interfere with your sleep. The key is to find what works for you and stick with it to ensure you're meeting your vitamin D needs. Taking vitamin D with a meal can increase its absorption, but studies on specific timing are limited.

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.

Can taking vitamin D make you tired?

Excessive amounts of vitamin D in the body can cause calcium levels in the blood to rise. This can lead to a condition called hypercalcemia (too much calcium in your blood). Symptoms include: fatigue.

Can I take 20000 IU of vitamin D?

The upper limit per the NIH is 4,000 IU daily for those ages 9 years and older. A study of 17,000 people taking varying doses of vitamin D, up to 20,000 IU/day, to analyze the relationship between body weight and vitamin D needs, did not demonstrate any signs of toxicity.


Can you overdose on vitamin D3?

Vitamin D toxicity is rare, but it does occur with extremely high doses. It usually develops over time, since extra vitamin D can build up in the body. Nearly all vitamin D overdoses result from taking high amounts of vitamin D supplements. It's almost impossible to get too much vitamin D from sunlight or food.

Is 30000 IU of vitamin D3 too much?

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. In fact, many cases of vitamin D toxicity have been a result of dosing errors leading to significantly higher amounts being ingested.

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.

Is it OK to take vitamin D3 everyday?

Most experts recommend that you shouldn't take more than 4,000 IU of vitamin D a day. When your serum D3 is very low (less than 12 nanograms per milliliter), some may recommend a short course of once-weekly 50,000 IU of vitamin D2 or D3, followed by a usual dose of 600 to 800 IU daily.


Can I take 2000 units of 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.

Can I take 4000 IU of vitamin D3 everyday?

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 ).

Does low vitamin D cause weight gain?

The bottom line. A vitamin D deficiency is unlikely to cause weight gain. However, it may cause other health problems or unpleasant symptoms, which are worth avoiding. You can maintain adequate vitamin D levels through a combination of limited sun exposure, a vitamin-D-rich diet, and taking vitamin D supplements.

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.


How can you tell if you have low vitamin D?

Symptoms of vitamin D deficiency can include muscle weakness, pain, fatigue and depression. To get enough D, look to certain foods, supplements, and carefully planned sunlight.
...
Signs and symptoms might include:
  1. Fatigue.
  2. Bone pain.
  3. Muscle weakness, muscle aches, or muscle cramps.
  4. Mood changes, like depression.


Can you take 5000 IU of vitamin D once a week?

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.

Can I take 60000 IU of vitamin D monthly?

Conclusions: Vitamin D supplementation in the doses of 60,000 IU monthly is a reasonable, safe and cost-effective regimen for children to attain and maintain vitamin D sufficiency.

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).