The symptoms of hypervitaminosis are nausea and vomiting, lack of appetite, constipation, general weakness and weight loss.

The symptoms of hypervitaminosis are nausea and vomiting, lack of appetite, constipation, general weakness and weight loss.

The symptoms of hypervitaminosis are nausea and vomiting, lack of appetite, constipation, general weakness and weight loss.

Vitamin D is an essential nutrient for the bones, immune system and mental health but it is also a double-edged sword. Unnecessary consumption of vitamin D supplements can be detrimental to your health, say health experts. The death of 89-year-old Britisher David Mitchener, who passed away a while ago due to a health condition caused by high levels of vitamin D, points to the perils of its overdose. He died of hypercalcemia, a condition in which there is excessive presence of calcium in the blood due to higher-than-normal levels of vitamin D. Mitchener had a vitamin D level of 380 against the normal range between 30 and 50.

Mitchener started to pop vitamin D supplement tablets nine months before his death. Excessive use of vitamin D supplements without proper medical advice, high consumption of fortified food, unrestrained use of cod liver oil and diseases that affect the metabolism of vitamin D can result in hypervitaminosis, a condition in which the levels of vitamin D are abnormally high.

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The symptoms of hypervitaminosis are nausea and vomiting, lack of appetite, constipation, general weakness and weight loss. The high presence of calcium in the blood causes a feeling of confusion or tiredness, increased thirst, frequent urination and kidney damage. If these symptoms pop up, it is better to stop the intake of vitamin tablets and consult a doctor. A blood test would reveal the level of vitamin D and calcium in the body. X-rays and scans to find out the density of bones are also advised to diagnose hypercalcemia.