Medicinal plants play an important role in the treatment of various sicknesses in Kenya and the whole world. Vernonia adoensis is one of such plants used traditionally in Kenya to treat illness such as gonorrhea. The main aim of conducting this study was to analyze the photochemical composition of the plant. From this study, phenols, saponnins, flavonoids, glycosides, tannins were found on both roots and leaves of the plant, while alkaloids and terpenoids were found on the leaves but absent in the roots. Anthroquinones were found to be absent on leaves and roots of the plant.