Oolong is a kind of dark tea that is semi-oxidized and has a unique flavor profile. It is made from the leaves of the Camellia sinensis plant, which is the same plant used to make green, white, and black teas. OOLONG tea is known for its complex flavor, which can range from sweet and fruity to woody and roasted. It is also known for its health benefits, such as aiding in weight loss, reducing cholesterol, and improving digestion.