Gymnema is a perennial woody vine native to Asia Common names include gymnema, Australian cowplant, and Periploca of the woods, and the Hindi term gurmar, which means "sugar destroyer". The leaves and extracts contain gymnemic acids, the major bioactive constituents that interact with taste receptors on the tongue to temporarily suppress the taste of sweetness. The plant is a climber with leaves having soft hairs on the upper surface. The leaves are elongated-oval in shape. It has a small, yellow, umbelliferous inflorescence that is produced throughout the year. Gymnema sylvestre has a long history of use in herbal medicine and a broad range of therapeutic properties.
It is available in forms like gymnema leaves dried and powder.