Oxaloacetic acids are vital components of various metabolic pathways in living organisms. These organic compounds play a crucial role in the Krebs cycle, also known as the citric acid cycle. Synonymous with oxaloacetic acids are other terms such as oxaloacetates, OAA, and oxaloacetic acid derivatives. These terms refer to the same chemical compound, which is an intermediate in the metabolic process. Oxaloacetic acids are important for energy production as well as in the biosynthesis of amino acids. Their presence is crucial for the proper functioning of several metabolic pathways, making them a fundamental part of cellular processes.