Dehydroepiandrosterone sulfate, commonly known as DHEA-S, is a hormone produced by the adrenal glands. It has various functions in the body, including regulating the immune system and helping to form sex hormones. There are many synonyms for DHEA-S, including androstenolone sulfate, prasterone sulfate, and dehydroisoandrosterone sulfate. While these terms all refer to the same hormone, they may be used interchangeably in different contexts. Understanding the various synonyms for DHEA-S can be helpful when reading about hormone treatments or discussing medical conditions related to hormone imbalances.