Bigfun 100, a generic form of sildenafil, is given to treat erectile dysfunction and other issues pertaining to male sexual function. Its purpose is to help men get and maintain an erection powerful enough for sexual activity. At our store, you may check the Bigfun Review and get ED meds. When taken about thirty minutes before having intercourse, the benefits can last up to four hours. Users should consult their physician before using it, as not everyone should benefit from it. You should have a glass of water and take one Bigfun pill before having sex.