Displaying 4 results of Isotretinoin Stable Isotopes Isotretinoin is a medication used to treat severe acne. Isotretinoin stable isotopes refer to the non-radioactive forms of specific isotopes of the element. These stable isotopes can be used in research and medical applications, such as tracer studies or drug development. The stable isotopes of isotretinoin can be used to investigate how the drug is metabolized in the body, and to develop more effective treatments for acne and other skin disorders.