The annual herb Psoralea Corylifolia, has been commonly called as ‘Kushtanashini’ because of its excellent potential to cure the deadly disease, Leprosy. Almost every part of this herb is medicinally significant and interestingly forms an important component of Ayurvedic as well as allopathic system of medicines. The seeds are rich in a variety of coumarins like psoralen and isopsoralen, which show anti-tumor activity and tendency to improve human immune system. The seed extract forms an important component of some pre-workout supplements