Can You Take Too Much Vitamin D?

Can you take too much Vitamin D? If you take too much it can cause stomach discomfort, kidney problems and weird mental symptoms. And a blood test can reveal the results of high Vitamin D. For Vitamin D to reach toxic or dangerous levels it needs to exceed 100 nanograms per milliliter.

Can you take too much Vitamin D? iStock-photo credit: Rudzhan Nagiev

Most of the time when someone is taking excessive Vitamin D levels it’s because of prescription errors or inappropriate supplement dosing. There was a 2020 case study report where a 73-year-old man developed Vitamin D toxicity after taking 10,000 IU of Vitamin D for many years.

Another 2020 case study report showed a 56-year-old woman who took an average of 10,000 IU of Vitamin D per day for 20 months. And the result of this was she was hospitalized for symptoms of nausea, vomiting and muscle weakness.

Some of the severe complications of excessive Vitamin D consumption are potential kidney failure and kidney injury. Having too much Vitamin D in the body can lead to elevated levels of calcium which can lead to water loss through excessive urination and calcification of the kidneys.

The negative symptoms of Vitamin D are the following:

• Vomiting
• Nausea
• Constipation
• Diarrhea

There was a 2021 case study of a 64-year-old man who accidentally took 200,000 IU of Vitamin D per day. And the result was an altered mental status and agitation and confusion for 10 days.

Vitamin D has several functions, one is it helps your body absorb calcium and two it helps your muscle and nerves function properly. And three it helps to heighten your immune system to fight off bacterial infections.

The Bottom Line is Vitamin D is important for your overall health but if you take too much of it can be dangerous and toxic to your health. Some of the negative symptoms of taking too much Vitamin D are nausea, diarrhea, vomiting, constipation, etc.

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References

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