Resveratrol-3-O-Sulfate sodium salt is widely used in research to study the biological effects of resveratrol metabolites. It helps in understanding how resveratrol is processed in the body, particularly its bioavailability and metabolic pathways. This compound is also utilized in developing therapeutic strategies for conditions like inflammation, cardiovascular diseases, and cancer, as it mimics the natural metabolites of resveratrol. Additionally, it serves as a standard in analytical methods to measure resveratrol derivatives in biological samples, aiding in pharmacokinetic studies. Its applications extend to exploring its antioxidant and anti-inflammatory properties in various experimental models.