It has a delicious tart flavor, and you can make and enjoy it in your own kitchen. Animal and test-tube studies have indicated that hibiscus may aid weight loss, improve heart and liver health, and even help reduce the growth of cancer cells and bacteria. Hibiscus is used for treating loss of appetite, colds, heart and nerve diseases, upper respiratory tract pain and swelling (inflammation), fluid retention, stomach irritation, and disorders of circulation; for dissolving phlegm; as a gentle laxative; and as a diuretic to increase urine output. External application of Hibiscus powder or the flower paste with coconut oil on the scalp helps in promoting hair growth and prevents greying of hair. Drinking Hibiscus tea might help in the management of menorrhagia, bleeding piles, diarrhea and high blood pressure