Displaying 4 results of Rifaximin Stable Isotopes Rifaximin Stable Isotopes refer to the non-radioactive isotopes of Rifaximin, an antibiotic used to treat bacterial infections in the gut. Stable isotopes of Rifaximin are used in pharmacological research and clinical studies to determine the pharmacokinetics and pharmacodynamics of the drug. They are also used in the development of new drug formulations and in quality control testing of Rifaximin products. These stable isotopes provide accurate and reliable data for drug development and clinical use.