Acai (pronounced ah-sah-EE) is a small, dark purple berry that grows on the acai palm tree (Euterpe oleracea) native to the Amazon rainforest in Brazil. It has been a staple food for indigenous communities in the region for centuries.

The edible portion of the berry is rich in nutrients and known for its high antioxidant content. Antioxidants are compounds that help protect the body against the damaging effects of free radicals.

Acai berries are also a good source of fiber, healthy fats (including omega-3 fatty acids), and various vitamins and minerals, including vitamin A, vitamin C, calcium, and iron. They are particularly known for their high levels of anthocyanins, which are pigments responsible for the berry's dark purple colour and are associated with potential health benefits.