Oxybutyric acid is a chemical compound that belongs to the family of organic acids. It is also known by various other names, such as 3-hydroxybutyric acid, beta-hydroxybutyric acid, and 3-hydroxybutanoic acid. This compound is commonly used in the production of various pharmaceutical drugs, including anticonvulsants and anxiolytics. Due to its therapeutic properties, oxybutyric acid is also used as a dietary supplement by athletes and bodybuilders for weight loss and muscle gain. Other synonyms for oxybutyric acid include 3-hydroxybutyrate, 3-hydroxybutyric acid sodium, and 3-hydroxybutyrate dehydrogenase. These different names signify the compound's properties and uses in different contexts.