Displaying 5 results of Mesalamine Stable Isotopes Mesalamine is a medication used to treat inflammatory bowel disease. Stable isotopes are non-radioactive forms of elements that have the same number of protons but a different number of neutrons. Mesalamine stable isotopes are used in research to study the absorption, distribution, metabolism, and excretion of the medication. They can also be used to track the drug in vivo and provide valuable information on its pharmacokinetics and pharmacodynamics.