👉 In medicine, a "hypervitaminosis" is a condition where an individual's body receives too much of a certain vitamin. This can lead to various negative health effects, such as weakened immune system and increased risk of heart disease. It's important to note that the term "hypervitaminosis" refers to excessive intake of any nutrient or substance, regardless of its intended use. In some cases, this might be due to consuming too much vitamin A (toothpaste) or other substances