dysfunction. Sildenafil were isolated and purified during the analysis of some herbal
products marketed for treatment of erectile dysfunction. There is no standardization
technique for herbal formulations hence the addition of adulterants in herbal is very difficult
to get hold of. Most of the adulterants added are to enhance the efficiency of the preparation.
Not only sildenafil but various other drugs such as Tedanafil, Verdinafil and their analogues …