Common questions Answered.What is the main ingredients for sobolo?Hibiscus flower/leaves are mainly used to prepare bissap drink or soboloCan you add prekese to sobolo?Depending on the flavor you want, prekese can be added to sobolo. Prekese has a lot of health benefits as well.Is sobolo good for the immune system?Sobolo is rich in irons and minerals that helps to boost the human immune system.