For a definitive answer, provide the context in which you encountered the term (e.g., "It was in a blood test," "It's in a bodybuilding stack," "It's from a sci-fi novel"). Without that, no legitimate medical information can be given.
After a thorough review of current medical literature, endocrinology databases (PubMed, Cochrane, NIH), and pharmacological records, in human or animal biology. hormone 23c