Step 1: Nilavembu (Andrographis paniculata) is widely used in Siddha for fever and immunity.
Step 2: It is called “King of Bitters” due to its intensely bitter taste and powerful detox effect.
Step 3: Siriyanangai is another name for Nilavembu in some texts. Kadukkai is Terminalia chebula (Haritaki). Thippili is Piper longum.