3-Indolepropionic acid (IPA) is primarily recognized for its antioxidant properties, making it valuable in research focused on mitigating oxidative stress-related damage in biological systems. It has been studied for its potential to protect cells from oxidative damage, which is linked to various chronic diseases and aging processes. Additionally, IPA is of interest in the field of gut microbiota research, as it is a metabolite produced by certain gut bacteria. Its role in maintaining gut health and its potential anti-inflammatory effects are areas of active investigation. In the pharmaceutical industry, IPA is explored for its neuroprotective properties, with studies suggesting it may help in conditions like Alzheimer's disease by reducing neuronal damage. Its applications also extend to agriculture, where it is being tested for its ability to enhance plant growth and stress resistance.