Pterostilbene is a naturally occurring compound found in various plants, including blueberries, grapes, and the wood of the Pterocarpus marsupium tree. It is a stilbenoid, structurally similar to resveratrol, but with some key differences that lead to enhanced bioavailability and potentially greater health benefits. Pterostilbene is known for its antioxidant, anti-inflammatory, and anticancer properties, and is being explored for its potential in treating various diseases, including diabetes, cardiovascular issues, and neurodegenerative disorders.