Andrographis paniculata have been used for centuries in Asia as traditional medicine for treatment of various ailments and is the one of most popular medicinal plants. 
Andrographis paniculata (Kalmegh, King of Bitters) is one of the most popular medicinal plants used traditionally for the treatment of array of diseases such as cancer, diabetes, high blood pressure, ulcer, leprosy, bronchitis, skin diseases, flatulence, colic, influenza, dysentery, dyspepsia and malaria for centuries in Asia, America and Africa. It possesses several phytochemical constituents with unique biological properties. Phytochemical studies have revealed that Kalmegh contains several active compounds including terpenoids, flavonoids, quinic acids, noriridoides, xanthones, andrographolide, polyphenols, which lead to its therapeutic activity. [1, 2]
Existing studies show that Kalmegh may benefit at wide range of health problems, including liver, gallbladder, stomach and intestine disorders, digestive complaints, immune system deficiencies, cancer, lung diseases, different infections, and other inflammatory problems. [1, 2, 3]
Kalmegh have been used for centuries in Asia as traditional medicine for the treatment of various ailments and is the one of the most popular medicinal plants. Traditional Chinese and Ayurvedic medicine are most use it for treatment of infectious disease, to rid the body of fever, dispel toxins, support the immune system, and for many digestive tract disorders, including gallbladder and liver diseases, stomachaches, colic pain, loss of appetite, irregular stools and diarrhea. The whole plant has been used for several applications such as anti-dote for snake-bite and poisonous stings of some insects, and to treat dyspepsia, influenza, dysentery, malaria and respiratory infections.
It is native to peninsular India and Sri Lanka and is also distributed in Southeast Asia and America.
1. Okhuarobo A, Falodun JE, Erharuyi O, et al. Harnessing the medicinal properties of Andrographis paniculata for diseases and beyond: a review of its phytochemistry and pharmacology. Asian Pac J Trop Dis. 2014;4(3):213-222. doi: 10.1016/S2222-1808(14)60509-0.
2. Dai Y, Chen SR, Chai L, et al. Overview of pharmacological activities of Andrographis paniculata and its major compound andrographolide. Crit Rev Food Sci Nutr. 2019;59(sup1):S17-S29. doi: 10.1080/10408398.2018.1501657.
3. Hossain MS, Urbi Z, Sule A, Hafizur Rahman KM. Andrographis paniculata (Burm. f.) Wall. ex Nees: a review of ethnobotany, phytochemistry, and pharmacology. Scientific World Journal. 2014;2014:274905. doi: 10.1155/2014/274905