megadose therapy

Megadose therapy refers to administering a very large dose of a substance, most commonly a vitamin. While nutrients are essential for health, exceeding recommended amounts can lead to adverse effects, a concept known as nutrient toxicity. The Tolerable Upper Intake Level (UL) is established as the highest daily nutrient intake unlikely to pose health risks for most individuals.123

For instance, excessive intake of fat-soluble vitamins like A and D can be toxic, as they are stored in the body. Water-soluble vitamins are generally excreted, but high doses from supplements can still cause issues. Similarly, minerals like iron, if taken in excess, can lead to poisoning. It is crucial to adhere to safe intake levels to avoid potential harm.23