What are the negative effects of too much vitamin D3?

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.


Can too much D3 be harmful?

Vitamin D is important for your bones, muscles, nerves, immune system, and more. But if you get too much, it could lead to a rare and possibly serious condition called vitamin D toxicity. You may hear your doctor call it hypervitaminosis D. The condition can bring symptoms like weakness and vomiting.

How much vitamin D3 is too high?

Unless your doctor recommends it, avoid taking more than 4,000 IU per day, which is considered the safe upper limit.


Is there a downside to taking vitamin D3?

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 too much vitamin D3 hurt your liver?

Neither normal nor excessively high intakes of vitamin D are associated with liver injury or liver test abnormalities.


Vitamin D Toxicity (Hypervitaminosis D) | Causes, Pathophysiology, Symptoms, Diagnosis, Treatment



Is D3 hard on your kidneys?

"The public should know that taking more vitamin D than is recommended does not necessarily lead to added benefit. Rather, it can lead to increased harm and specifically kidney failure," he added.

What organs does vitamin D3 affect?

Vitamin D undergoes further chemical changes, first in the liver and then in the kidneys, to become calcitriol. Calcitriol acts on the intestine, kidneys, and bones to maintain normal levels of blood calcium and phosphorus.

Is it OK to take vitamin D3 everyday?

In very high doses, many minerals (like iron) and vitamins can harm your body. Current guidelines say adults shouldn't take more than the equivalent of 100 micrograms a day. But vitamin D is a 'fat-soluble' vitamin, so your body can store it for months and you don't need it every day.


What is the safest amount of vitamin D3 to take 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 a senior 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. However, some sources say you should consume up to 1000 IU of vitamin D past the age of 70.

How do I know if I'm taking too much vitamin D3?

The symptoms of vitamin D toxicity are primarily related to hypercalcemia, which means excessively high blood calcium levels ( 13 ). Symptoms of hypercalcemia include: digestive distress, such as vomiting, nausea, constipation, and stomach pain. fatigue, dizziness, hallucinations, and confusion.


What are the signs of too much vitamin D?

Signs you're getting too much vitamin D may include:
  • Nausea.
  • Vomiting.
  • Weakness.
  • Headache.
  • Frequent urination.
  • Painful muscles.
  • Kidney damage and kidney stones.
  • High blood pressure.


How do you flush vitamin D3 out of your system?

But how do you flush vitamin D out of your system – and can you even do that? Yes, by ensuring you consume plenty of water. This will encourage urination, allowing your body to shed the excess vitamin D and calcium more quickly. Prescription diuretics like furosemide can also be helpful.

Which two vitamins pose the greatest risk of toxicity?

Extra amounts of water-soluble vitamins are typically excreted. The fat-soluble vitamins A and D are the most likely to cause toxicity symptoms if you consume them in high amounts.


Can too much 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.

What is the difference between vitamin D and vitamin D3?

There are quite a few differences between vitamin D and vitamin D3, but the main difference between them is that vitamin D is a fat-soluble vitamin that regulates calcium and phosphorous levels in the body, whereas the vitamin D3 is the natural form of vitamin D produced by the body from sunlight.

What happens if my vitamin D is too high?

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.


When is the best time to take vitamin D3?

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.

When should I take vitamin D morning or night?

We recommend taking it with a source of quality fat in the morning or when you break your fast. Avoid taking vitamin D in the evening (we'll talk about why below). Since vitamin D is a fat-soluble vitamin—meaning it doesn't dissolve in water—your body can most easily absorb it when you take it with food.

Is it better to take vitamin D3 every day or once a week?

Oral vitamin D3 can be taken once a day but also with longer intervals because of its long half life, being around 25 days. It is not known whether equivalent doses once a week or once a month are equally effective.


How much vitamin D3 should a woman over 50 take daily?

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 D3 help with joint pain?

People who have low levels of vitamin D often have joint pain. Vitamin D supplements may treat joint pain in some people who have a vitamin D deficiency. However, research doesn't support that people with healthy levels of vitamin D take should take these supplements for joint pain.

Who should not take vitamin D3 supplements?

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.


How does vitamin D3 make you feel?

2. Vitamin D may regulate mood and reduce depression. Research has shown that vitamin D might play an important role in regulating mood and decreasing the risk of depression. A review of 7,534 people found that those experiencing negative emotions who received vitamin D supplements noticed an improvement in symptoms.

What blocks the absorption of vitamin D3?

Some factors that may reduce or block its absorption include: Conditions such as celiac disease, chronic pancreatitis, Crohn's disease, and cystic fibrosis. These can all affect the intestines, preventing them from absorbing vitamin D found in food.