S-D-lactoylglutathione is a modified form of the antioxidant glutathione, which plays a crucial role in protecting cells from oxidative stress and maintaining cellular health. This compound is formed by the combination of lactate and glutathione, enhancing its stability and bioavailability in the body. Research suggests that S-D-lactoylglutathione may have potential benefits in supporting immune function and reducing inflammation. It is often studied for its role in various health conditions, including those related to aging and chronic diseases, making it a topic of interest in the field of nutritional science.