Hypervitaminosis A can be diagnosed using blood tests to check your vitamin A levels. Most people improve simply by decreasing their intake of vitamin A. Hypervitaminosis A, or vitamin A toxicity ...

Having too much of Vitamin D can cause vitamin D toxicity, also known as hypervitaminosis, which is mostly caused by excess of dietary supplements as Vitamin D-fortified foods and sunlight ...

His primary cause of death was stated in the report as heart failure and kidney failure, excess calcium levels, and vitamin D toxicity, also known as hypervitaminosis D. The coroner, Jonathan ...