Goji berry powder is a powdered form of goji berries, which are small red berries that grow on the Lycium barbarum plant. Goji berries have been used in traditional Chinese medicine for centuries and are believed to have various health benefits. Goji berry powder is made by drying and grinding goji berries into a fine powder. It is often used as a dietary supplement and can be added to smoothies, juices, yogurt, or baked goods. It is rich in antioxidants, vitamins, and minerals, including vitamin C, vitamin A, iron, and zinc.