What is tolerable upper limits?

Tolerable Upper Intake Levels (ULs) refer to the maximum daily intake of a nutrient that is unlikely to cause adverse health effects in most individuals. These limits are established based on scientific research and are intended to guide consumers and health professionals in avoiding excessive consumption of vitamins, minerals, and other dietary substances. Exceeding the UL can lead to toxicity or negative health outcomes, highlighting the importance of balanced nutrient intake.