Terminalia arjuna (Combretaceae), commonly known as Arjun and Arjuna was first described by Ayurvedic sage Vagbhatta as a tonic and is in use in India for past 1500 years. Arjun has proved its position as a precious herbal medicament creating a milestone in maintaining the health of chronic smokers. A number of experimental and clinical studies have 13-14 proved that bark of Arjun has potent antioxidant 15-16 and cardioprotective activity . Antioxidant activity of 17 Arjun bark was comparable to vitamin E . The active constituents of the Arjun bark extract include arjunic 18 acid, arjunolic acid, arjungenin, argentine.