Isocitric acid is a naturally occurring organic acid that plays a crucial role in the Krebs cycle, a key metabolic pathway in living organisms. It is formed from citric acid and is involved in energy production within cells. Isocitric acid is found in various fruits and vegetables, contributing to their tart flavor. In addition to its biological significance, isocitric acid is used in the food industry as a flavoring agent and preservative. It can also be found in some dietary supplements, where it is valued for its potential antioxidant properties.