Avanafil is a medication used for treating erectile dysfunction. Avanafil stable isotopes are isotopes of the chemical element avanafil that do not undergo radioactive decay. These isotopes can be used in research and medical applications, such as drug development and clinical trials. The stable isotopes of avanafil have unique properties that make them useful for tracking the drug's metabolism and distribution within the body. They also provide valuable insights into the pharmacokinetics and pharmacodynamics of avanafil, which can improve the drug's efficacy and safety.