Hibiscus tea is an herbal tea made as an infusion from crimson or deep magenta-colored calyces of the roselle flower. Hibiscus has properties that are effective in treating high blood pressure, high blood sugar, and high cholesterol, as well as digestive system, immune system, and inflammatory problems. Gleon Hibiscus Herbal Tea infusion offers a piquant, tart note with gentle aromatic proof can be consumed both hot and cold, best time to drink a cup of hibiscus tea is in the evening, typically after dinner.