Chitharathai, also known as Lesser Galangal or Kulanjan, is a plant in the ginger family, with the botanical name Alpinia officinarum. Its aromatic rhizome is used in traditional medicine, particularly in the Indian subcontinent and Southeast Asia, for a range of ailments including coughs, colds, sore throats, and digestive issues like bloating and indigestion. It is also used for its purported anti-inflammatory and immune-boosting properties. 

• Respiratory issues: Traditional remedy for cough, cold, sore throat, and chest congestion.
• Digestive health: Used to aid digestion, relieve gas, and reduce bloating and indigestion.
• Other ailments: Believed to help with joint pain, fever, and to boost immunity.