Hibiscus flowers (Hibiscus sabdariffa) are classified as antioxidant, anti-inflammatory, diuretic, and cardioprotective herbs. They are commonly used to support heart health by helping to lower blood pressure and reduce cholesterol levels. Hibiscus flowers are also known for their ability to improve digestion, boost the immune system, and provide relief from stress and anxiety. The flowers are often consumed in teas or as a supplement and are valued for their vibrant color and tart, refreshing flavor.