Resveratrol metabolites have an antiproliferative effect on intestinal epithelial cancer cells

► Resveratrol sulphates and glucuronides have antioxidant activity as resveratrol. ► Resveratrol metabolites inhibit cell growth and DNA synthesis in Caco-2 cell cultures. ► Resveratrol metabolites induce cell cycle arrest and apoptosis. ► Resveratrol metabolites contribute to the health benefits attributed to resveratrol.