Inosine is a nucleoside that has several synonyms due to its various applications in different fields. Some of the common synonyms for inosine include hypoxanthine riboside, 9-β-d-ribofuranosylhypoxanthine, and riboxine. Additionally, the substance goes by the brand names of Inosin, Inoseral, and Isoprinosine. Inosine is a key component of many biochemical reactions, and its derivatives are used in the treatment of several medical conditions, including viral infections and cancer. Due to its role in energy metabolism, inosine is popular with athletes as a performance-enhancing supplement. Its diverse functions in various disciplines make inosine a crucial substance with several synonyms, reinforcing how important knowledge of synonyms is in understanding the substance's applications and fields of use.