Kadukkai (Haritaki) is high in vitamin C, an immune-boosting antioxidant. It also possesses anti-inflammatory and antibacterial qualities that help to heal wounds. Inflammation of the inner lining of your nose is one of the causes of a clogged nose. Kadukkai aids in the healing of inflammation and provides immediate relief. Moreover, it is high in essential elements such as selenium, manganese, potassium, copper, and iron.