Vitamin D is important for your bones, muscles, nerves, immune system, and many other functions.
But taking too much can lead to a rare condition called vitamin D toxicity. This can cause symptoms like fatigue and vomiting. It can also affect your kidneys or heart rhythm.
Here are some symptoms and causes of vitamin D poisoning you should not ignore:
Symptoms of vitamin D poisoning
Too much vitamin D can cause calcium to build up in your blood and body. This can cause symptoms such as:
- Nausea or vomiting
- Muscle weakness
- Tired and confused
- Irritable
- Constipation
- Less appetite, poor appetite
- Frequent urination accompanied by thirst and dehydration
Extremely high vitamin D levels can lead to
- Kidney failure, kidney stones
- Irregular heartbeat
Causes of vitamin D poisoning
Vitamin D toxicity is usually caused by taking too many vitamin D supplements.
Foods that contain vitamin D contain small amounts, so it is unlikely that you will get too much vitamin D from your diet. Your skin also makes vitamin D when you are exposed to sunlight, but this is not toxic.
