Famed as the ‘King Of Bitters’, Nilavembu, is one such Siddha herb that has innumerable immune-enhancing properties like anti-pyretic, cholagogue, digestive, hepatoprotective and anti-inflammatory and has been used as a traditional remedy for treating various ailments in the Ayurvedic and Siddha systems of medicine as well as in Unani, Homeopathy, Chinese remedies, and tribal medicine.