Displaying 1 results of Tolnaftate Stable Isotopes Tolnaftate is a popular antifungal medication used to treat infections such as athlete's foot and jock itch. Tolnaftate stable isotopes are isotopes of the compound that have a consistent number of protons and neutrons, making them useful for research and analytical purposes. These isotopes can provide valuable information about the metabolism, distribution, and effectiveness of tolfaftate in the body.